[Serusers] Local ACKs for SER-SEMS
Cesc
cesc.santa at gmail.com
Wed Nov 23 12:31:46 CET 2005
Hi,
I attach a tar'd.gz file with: a snippet of the ser.cfg file, a ser
log and the messages (INV and OK) passed from-to ser-sems unix socket.
I attach directly to this email a short version of the ser.log file
and ser.cfg, for easyness ... hopefully it will go through ...
Hope it helps,
Cesc
=============================================
=============================================
=====================================================
== ON THE UNIX SOCK (INVITE FROM SER)
=============================================
0.3
sip_request.intercom
INVITE
10033
cafes.org
192.0.1.150
.
sip:10033 at cafes.org
sip:jos at 192.0.1.250:6060;transport=UDP
<sip:jos at cafes.org>
<sip:10033 at cafes.org>
1832198372 at 192.0.1.250
1455248939
301
64360:678404969
.
.
P-MsgFlags: 0
Content-Type: application/sdp
.
v=0
o=- 3344 3344 IN IP4 192.0.1.250
s=Minisip Session
c=IN IP4 192.0.1.250
t=0 0
m=audio 33958 RTP/AVP 0 101
a=rtpmap:0 PCMU/8000/1
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-15
---ON THE UNIX SOCK (OK FROM SEMS)--------------------------------
200
OK
64360:678404969
00002EE029403E89
Contact: <sip:10033 at 192.0.1.150:5060>
Content-Type: application/sdp
Accept-Encoding: application/sdp, text/plain
Accept: INVITE, ACK, OPTIONS, BYE, CANCEL, MESSAGE
.
v=0
o=sems 1515487739 872624585 IN IP4 192.0.1.150
s=-
t=0 0
m=audio 7534 RTP/AVP 0
c=IN IP4 192.0.1.150
a=rtpmap:0 PCMU/8000
.
=============================================
=============================================
=============================================
#
#
# SER config file.
#
#
##################################################################################
# ----------- global configuration parameters ------------------------
fork=yes
children=2
disable_core_dump=yes
log_stderror=yes
debug=2
memlog=1000
listen=IP_LOCAL_SER
/* If not compiled with tls support, this param does not exhist */
disable_tls=0
/* See the first line of main route for another tls very important parameter!*/
tls_certificate="INSTALL_PATH/certs/MU_cert.pem"
tls_private_key="INSTALL_PATH/private/MU_prik.pem"
tls_ca_list="INSTALL_PATH/certs/ca_list.pem"
tls_ciphers_list="NULL-SHA:NULL-MD5:AES256-SHA:AES128-SHA"
#Related to force_tcp_alias (see below)
tcp_accept_aliases = yes
#Port to listen to ... this is the standard port where phones also listen ..
# Make sure that if any phone running in this same computer, uses
another port.
port=5060
#hostnames matching an alias that will satisfy the condition uri==myself
alias="DOMAIN_NAME"
alias="DOMAIN_SUB_PREFIX.DOMAIN_NAME"
check_via=no # (cmd. line: -v)
dns=no # (cmd. line: -r)
rev_dns=no # (cmd. line: -R)
# ------------------------- request routing logic -------------------
##################################################################################
#
# main routing logic
#
route{ #start route[ROUTE.MAIN]
==================================================
# initial sanity checks -- messages with max_forwards==0, or
excessively long requests
if (!mf_process_maxfwd_header("10")) {
sl_send_reply("483","Too Many Hops");
break;
};
if (msg:len >= max_len ) {
sl_send_reply("513", "Message too big");
break;
};
force_tcp_alias();
if (!method=="REGISTER" && !method=="CANCEL" && !method=="ACK" ) {
#record_route();
log(2, "LOG: Record route ... IP_LOCAL_SER\n");
record_route(); /*"IP_LOCAL_SER:5060");*/
};
if (loose_route()) {
# mark routing logic in request
log(2, "LOG: RR-enforced!\n");
append_hf("P-hint: rr-enforced\r\n");
setflag(FL_ROUTE_LOOSE); /* set source routed flag */
/* FIXME: It would be nice to have a way to authenticate loose
routed messages ... maybe with TLS ...
* but for now, just do nothing ... it only causes havoc */
log(2, "log: fixme!!! routed message ... \n");
route(ROUTE_RELAY); /* route to ROUTE.RELAY */
break;
};
#Forward messages not directed to us ...
if( ! (uri == myself) and ! is_uri_host_local() ) {
log( 2, "LOG: Message not for any of our domains ...\n");
XXXX
}; /*ends if ( ! uri == myself ...*/
if (method == "REGISTER" ) {
route(ROUTE_REGISTER_MESSAGE);
break;
}; #end if method is REGISTER
#REGISTER messages never go beyond this part
#Route Conference/SEMS related traffic
if ( message_needs_to_be_routed_to_sems ){
route( ROUTE_SEMS_TRAFFIC );
break;
#CONFERENCE related request should not go beyond this point
};
route(ROUTE_RELAY);
break;
} #ends route[ROUTE MAIN] =====================================================
route[ROUTE_RELAY] /*ROUTE RELAY*/
{
log( 2, "LOG: relaying default case ...\n");
lookup("aliases");
if( ! lookup("location") ) {
sl_send_reply("404", "Not Found");
break;
}
if (!t_relay()) {
log(2, "LOG: t_relay error!\n");
sl_reply_error();
break;
};
} /* #ends route[ROUTE_RELAY] */
route [ROUTE_REGISTER_MESSAGE] { /*ROUTE REGISTER MESSAGE*/
} /* ends route [ROUTE_REGISTER_MESSAGE]*/
###################################################################################
# All SEMS related traffic comes here
# Here non-REGISTER messages, such as INV and BYE are treated, and
# forwarded to sems.
#
route [ROUTE_SEMS_TRAFFIC] { /* ROUTE SEMS TRAFFIC*/
log(2, "LOG: request related to a CONFERENCE\n");
#switch to stateful mode
if(!t_newtran()){
sl_send_reply("500","colud not create transaction");
break;
};
log( 2, "LOG: Transaction created.\n");
if(method=="ACK"){
#absorb ACKs, SER's stateful transaction previously created
#will handle the ACK appropriately without passing them to SEMS
break;
};
t_reply("100", "Trying to contact Conference Server");
log( 2, "LOG: Provisional Response sent.\n");
if (method==INVITE || method==REFER || method==NOTIFY ||
method==SUBSCRIBE || method==OPTIONS || method==MESSAGE){
#assumes that Sems coinfiguration parameter 'fifo_name='
#has been set to /tmp/sems_fifo
if (!t_write_unix("/tmp/sems_sock","semsheaders")){
t_reply("500","error contacting sems");
};
break;
}else{
if(method==BYE || method==CANCEL){
#Sems should already know which plug-in is handling that call.
#"bye is no plug-in name. It is a reserved name which tells Sems
#to terminate the call
if (!t_write_unix("/tmp/sems_sock","bye")){
t_reply("500","error contacting sems");
};
break;
};
};
break;
}
#Terminate with at least one empty line, pliz
=============================================
=============================================
=============================================
=============================================
============================================================
[Wed Nov 23 11:31:49 2005]
2(11986) XLOG: xl_print_log: final buffer length 25
2(11986) [192.0.1.250 ## 11986]
2(11986) XLOG: xl_print_log: final buffer length 561
2(11986)
INVITE sip:10033 at cafes.org SIP/2.0
From: <sip:jos at cafes.org>;tag=1455248939
To: <sip:10033 at cafes.org>
Call-ID: 1832198372 at 192.0.1.250
CSeq: 301 INVITE
Contact: <sip:jos at 192.0.1.250:6060;transport=UDP>;expires=1000
User-Agent: Minisip-Cafes-Tcnl
Content-Type: application/sdp
Via: SIP/2.0/UDP 192.0.1.250:6060;branch=z9hG4bK1238405167
Content-Length: 192
v=0
o=- 3344 3344 IN IP4 192.0.1.250
s=Minisip Session
c=IN IP4 192.0.1.250
t=0 0
m=audio 33958 RTP/AVP 0 101
a=rtpmap:0 PCMU/8000/1
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-15
2(11986) parse_headers: flags=128
2(11986) DEBUG: get_hdr_body : content_length=192
2(11986) found end of header
2(11986) DEBUG: is_maxfwd_present: max_forwards header not found!
2(11986) LOG: Record route ... 192.0.1.150
2(11986) DEBUG: add_param: tag=1455248939
2(11986) end of header reached, state=29
2(11986) parse_headers: flags=256
2(11986) find_first_route: No Route headers found
2(11986) loose_route: There is no Route HF
2(11986) grep_sock_info - checking if host==us: 9==11 && [cafes.org]
== [192.0.1.150]
2(11986) grep_sock_info - checking if port 5060 matches port 5060
2(11986) grep_sock_info - checking if host==us: 9==10 && [cafes.org]
== [230.0.1.75]
2(11986) grep_sock_info - checking if port 5060 matches port 5060
2(11986) grep_sock_info - checking if host==us: 9==9 && [cafes.org]
== [127.0.0.1]
2(11986) grep_sock_info - checking if port 5060 matches port 5060
2(11986) grep_sock_info - checking if host==us: 9==11 && [cafes.org]
== [192.0.1.150]
2(11986) grep_sock_info - checking if port 5060 matches port 5060
2(11986) grep_sock_info - checking if host==us: 9==9 && [cafes.org]
== [127.0.0.1]
2(11986) grep_sock_info - checking if port 5060 matches port 5060
2(11986) grep_sock_info - checking if host==us: 9==11 && [cafes.org]
== [192.0.1.150]
2(11986) grep_sock_info - checking if port 5061 matches port 5060
2(11986) LOG: Identifying tags ... local, any, all, grp, conf ...
2(11986) LOG: identifying tag: conf.id at domain
2(11986) LOG: request related to a CONFERENCE
2(11986) sl_send_reply: start
2(11986) parse_headers: flags=-1
2(11986) check_via_address(192.0.1.250, 192.0.1.250, 0)
2(11986) sl_send_reply:(1) sl_timeout=get_ticks()+SL_RPL_WAIT_TIME=602734
2(11986) sl_send_reply:(2) sl_timeout=get_ticks()+SL_RPL_WAIT_TIME=602762
2(11986) DEBUG: t_newtran: msg id=1393 , global msg id=1392 , T on
entrance=0xffffffff
2(11986) parse_headers: flags=-1
2(11986) parse_headers: flags=60
2(11986) t_lookup_request: start searching: hash=64360, isACK=0
2(11986) DEBUG: RFC3261 transaction matching failed
2(11986) DEBUG: t_lookup_request: no transaction found
2(11986) LOG: Transaction created.
2(11986) LOG: Provisional Response sent.
2(11986) parse_headers: flags=-1
2(11986) DEBUG: t_check: msg id=1393 global id=1393 T start=0x4042900c
2(11986) DEBUG: t_check: T already found!
2(11986) assemble_msg: calculated route:
2(11986) assemble_msg: next r-uri: sip:jos at 192.0.1.250:6060;transport=UDP
2(11986) parse_headers: flags=-1
2(11986) parse_headers: flags=-1
2(11986) DEBUG: add_to_tail_of_timer[0]: 0x40429134
2(11986) DEBUG:destroy_avp_list: destroying list (nil)
2(11986) receive_msg: cleaning up
1(11985) INFO: Deleting entry (location,10033)
1(11985) get_timeout: timeout: '5'
1(11985) get_method: method: 'REGISTER'
1(11985) get_ruri: 'sip:230.0.1.75'
1(11985) get_nexthop: next hop empty
1(11985) get_headers: From: <sip:10033 at cafes.org>;tag=00002EE009A1E851
To: <sip:10033 at cafes.org>
CSeq: 1 REGISTER
Call-ID: 00002EE07B210D73 at 192.0.1.150
1(11985) parse_headers: flags=-1
1(11985) end of header reached, state=9
1(11985) DEBUG: get_hdr_field: <To> [23]; uri=[sip:10033 at cafes.org]
1(11985) DEBUG: to body [<sip:10033 at cafes.org>
]
1(11985) get_hdr_field: cseq <CSeq>: <1> <REGISTER>
1(11985) get_body_lines:
1(11985) DEBUG: add_param: tag=00002EE009A1E851
1(11985) end of header reached, state=29
1(11985) uac_unixsock: set_loc_timers: transaction avp parameters set to 5
1(11985) DEBUG:tm:t_uac: next_hop=<sip:230.0.1.75>
1(11985) DEBUG: mk_proxy: doing DNS lookup...
1(11985) DEBUG:destroy_avp_list: destroying list (nil)
1(11985) DEBUG: dlg2hash: 34757
1(11985) DEBUG: add_to_tail_of_timer[4]: 0x40433f6c
1(11985) DEBUG: add_to_tail_of_timer[0]: 0x40433f7c
4(11988) SIP Request:
4(11988) method: <REGISTER>
4(11988) uri: <sip:230.0.1.75>
4(11988) version: <SIP/2.0>
4(11988) parse_headers: flags=1
4(11988) Found param type 232, <branch> = <z9hG4bK5c78.6c8171b3.0>; state=16
4(11988) end of header reached, state=5
4(11988) parse_headers: Via found, flags=1
4(11988) parse_headers: this is the first via
4(11988) After parse_msg...
4(11988) preparing to run routing scripts...
4(11988) CESC: exec_pre_cb: start calling precallback scripts!!!
4(11988) CESC: exec_pre_cb: pre script callback called!!
4(11988) TIC:tic_response_callback: starting
4(11988) DEBUG : tic_response_callback : only checking replies
4(11988) TIC:tic_response_callback: No operation
4(11988) CESC: exec_pre_cb: pre script callback called!!
4(11988) CESC: exec_pre_cb: pre script callback called!!
4(11988) LOG: ERROR: We got a message looped back from the multicast
address, sent by ourselves.
4(11988) LOG: ERROR: Discarding this message
4(11988) parse_headers: flags=8
4(11988) end of header reached, state=9
4(11988) DEBUG: get_hdr_field: <To> [23]; uri=[sip:10033 at cafes.org]
4(11988) DEBUG: to body [<sip:10033 at cafes.org>
]
4(11988) DEBUG: add_param: tag=00002EE009A1E851
4(11988) end of header reached, state=29
4(11988) XLOG: xl_print_log: final buffer length 96
4(11988)
REGISTER 230.0.1.75
From: sip:10033 at cafes.org;00002EE009A1E851
To: sip:10033 at cafes.org;<null>
4(11988) DEBUG:destroy_avp_list: destroying list (nil)
4(11988) receive_msg: cleaning up
1(11985) parse_transid: hash_index=64360 label=678404969
1(11985) lineset: Contact: <sip:10033 at 192.0.1.150:5060>
Content-Type: application/sdp
Accept-Encoding: application/sdp, text/plain
Accept: INVITE, ACK, OPTIONS, BYE, CANCEL, MESSAGE
1(11985) body: v=0
o=sems 1515487739 872624585 IN IP4 192.0.1.150
s=-
t=0 0
m=audio 7534 RTP/AVP 0
c=IN IP4 192.0.1.150
a=rtpmap:0 PCMU/8000
1(11985) DEBUG: t_lookup_ident: transaction found
1(11985) parse_headers: flags=-1
1(11985) check_via_address(192.0.1.250, 192.0.1.250, 0)
1(11985) DEBUG: cleanup_uac_timers: RETR/FR timers reset
1(11985) DEBUG: add_to_tail_of_timer[4]: 0x404290b8
1(11985) DEBUG: add_to_tail_of_timer[0]: 0x404290c8
1(11985) DEBUG: reply sent out. buf=0x820bd04: SIP/2.0 2...,
shmem=0x40431bd4: SIP/2.0 2
1(11985) DEBUG: _reply_light: finished
3(11987) SIP Request:
3(11987) method: <ACK>
3(11987) uri: <sip:10033 at 192.0.1.150:5060>
3(11987) version: <SIP/2.0>
3(11987) parse_headers: flags=1
3(11987) DEBUG: add_param: tag=00002EE029403E89
3(11987) end of header reached, state=29
3(11987) DEBUG: get_hdr_field: <To> [44]; uri=[sip:10033 at cafes.org]
3(11987) DEBUG: to body [<sip:10033 at cafes.org>]
3(11987) get_hdr_field: cseq <CSeq>: <301> <ACK>
3(11987) Found param type 232, <branch> = <z9hG4bK1238405167>; state=16
3(11987) end of header reached, state=5
3(11987) parse_headers: Via found, flags=1
3(11987) parse_headers: this is the first via
3(11987) After parse_msg...
3(11987) preparing to run routing scripts...
3(11987) CESC: exec_pre_cb: start calling precallback scripts!!!
3(11987) CESC: exec_pre_cb: pre script callback called!!
3(11987) TIC:tic_response_callback: starting
3(11987) DEBUG : tic_response_callback : only checking replies
3(11987) TIC:tic_response_callback: No operation
3(11987) CESC: exec_pre_cb: pre script callback called!!
3(11987) CESC: exec_pre_cb: pre script callback called!!
3(11987) ERROR : SL_FILTER_ACK: *(sl_timeout)=602762, get_ticks()=602760
3(11987) parse_headers: flags=4
3(11987) ERROR : SL_FILTER_ACK: before if(msg->to)
3(11987) ERROR : SL_FILTER_ACK: inside if(msg->to)
3(11987) ERROR : SL_FILTER_ACK: tag_str.len=16, TOTAG_VALUE_LEN=37
3(11987) ERROR : SL_FILTER_ACK: tag_str.s=00002EE029403E89;
sl_tag.s=f0ecfd42b179c81ffc953dd05dc8350b.ba0d
3(11987) ERROR : sl_filter_ACK : NO local ACK found
3(11987) XLOG: xl_print_log: final buffer length 91
3(11987)
============================================================
[Wed Nov 23 11:31:49 2005]
3(11987) XLOG: xl_print_log: final buffer length 25
3(11987) [192.0.1.250 ## 11987]
3(11987) XLOG: xl_print_log: final buffer length 280
3(11987)
ACK sip:10033 at 192.0.1.150:5060 SIP/2.0
Max-Forwards: 70
From: <sip:jos at cafes.org>;tag=1455248939
To: <sip:10033 at cafes.org>;tag=00002EE029403E89
Call-ID: 1832198372 at 192.0.1.250
CSeq: 301 ACK
Via: SIP/2.0/UDP 192.0.1.250:6060;branch=z9hG4bK1238405167
Content-Length: 0
3(11987) DEBUG:maxfwd:is_maxfwd_present: value = 70
3(11987) DBG:maxfwd:process_maxfwd_header: value 70 decreased to 16
3(11987) parse_headers: flags=256
3(11987) DEBUG: get_hdr_body : content_length=0
3(11987) found end of header
3(11987) find_first_route: No Route headers found
3(11987) loose_route: There is no Route HF
3(11987) grep_sock_info - checking if host==us: 11==11 &&
[192.0.1.150] == [192.0.1.150]
3(11987) grep_sock_info - checking if port 5060 matches port 5060
3(11987) LOG: Identifying tags ... local, any, all, grp, conf ...
3(11987) LOG: identifying tag: conf.id at domain
3(11987) LOG: request related to a CONFERENCE
3(11987) sl_send_reply: start
3(11987) Warning: sl_send_reply: I won't send a reply for ACK!!
3(11987) LOG: ACK intercom received ...
3(11987) DEBUG: t_check: msg id=1674 global id=1673 T start=0xffffffff
3(11987) parse_headers: flags=-1
3(11987) parse_headers: flags=60
3(11987) t_lookup_request: start searching: hash=64360, isACK=1
3(11987) parse_headers: flags=28
3(11987) DEBUG: add_param: tag=1455248939
3(11987) end of header reached, state=29
3(11987) DEBUG: t_lookup_request: e2e proxy ACK found
3(11987) DEBUG: t_check: msg id=1674 global id=1674 T end=(nil)
3(11987) LOG: ACK intercom transaction DOES NOT exhist ... simply absorbing
3(11987) DEBUG:destroy_avp_list: destroying list (nil)
3(11987) receive_msg: cleaning up
8(11992) timer_ticker()!!!
8(11992) DEBUG: timer routine:0,tl=0x40429134 next=(nil)
8(11992) DEBUG: timer routine:4,tl=0x40433f6c next=0x404290b8
8(11992) DEBUG: retransmission_handler : request resending
(t=0x40433e54, REGISTER ... )
8(11992) DEBUG: add_to_tail_of_timer[5]: 0x40433f6c
8(11992) DEBUG: retransmission_handler : done
8(11992) DEBUG: timer routine:4,tl=0x404290b8 next=(nil)
8(11992) DEBUG: retransmission_handler : reply resending
(t=0x4042900c, SIP/2.0 2 ... )
8(11992) DEBUG: reply retransmitted. buf=0x401a4620: SIP/2.0 2...,
shmem=0x40431bd4: SIP/2.0 2
8(11992) DEBUG: add_to_tail_of_timer[5]: 0x404290b8
8(11992) DEBUG: retransmission_handler : done
=====================================================
On 11/23/05, Jan Janak <jan at iptel.org> wrote:
> Actually I've seen the mail but did not have yet time to look into it
> (I have it on my todo list).
> When communicating with applications like sems over the fifo or unix
> sockets, SER takes care of ACK processing (that also means generating
> local e2e ACKs on behalf of sems). This is a hack because tm has to do
> all the dialog-related logic (such as route processing, loose/strict
> routing and so on).
>
> Inside tm end-to-end ACKs are matched with the original INVITE
> transaction. This was needed for accounting purposes, if I recall it correctly.
>
> In any case full tm traces would be helpful, especially for P3.
>
> Jan.
>
> On 23-11-2005 10:38, Cesc wrote:
> > Hi Greger,
> >
> > First, the last half of your email ... i cannot run a dedicated
> > instance of SER. We run an embedded system, thus not much space and
> > power to spare.
> > As for the NAT ... we have no NAT in our network (lucky us :D ).
> >
> > As for the first part ... i had not seen a response either :)
> > Actually, i lost the email in gmail folders, could not find it
> > anywhere ... tks for replying, now i found it again.
> > As for the ACK ... i tried using t_lookup_request ... it turns out
> > that it does find a transaction, but it identifies them as e2e (i
> > guess ... end2end) ... i will investigate further ... and i will
> > provide a trace.
> >
> > Tks!
> >
> > Cesc
> >
> >
> > On 11/23/05, Greger V. Teigre <greger at teigre.com> wrote:
> > > Hi Cesc,
> > > I haven't seen a response to your post?! Are you sure the ACKs are not
> > > caught by loose routing?
> > > I would suggest setting up a separate ser instance on ex. port 5062 and
> > > dedicate it to sems interfacing. Then in your main ser you just correctly
> > > forwards the INVITEs to the sems ser instance. Also remember to run
> > > fix_nated_sdp("3") for NATed clients (SEMS support active media. Both sems
> > > and SER-SEMS should run on a public IP.
> > > g-)
> > > ----- Original Message -----
> > > From: "Cesc" <cesc.santa at gmail.com>
> > > To: "SER-Users" <serusers at lists.iptel.org>
> > > Sent: Wednesday, November 16, 2005 11:13 AM
> > > Subject: [Serusers] Local ACKs for SER-SEMS
> > >
> > >
> > > > Hi,
> > > >
> > > > In my lab we have SER (0.9.4) running, collocated in the same box with
> > > > SEMS, communicating via the fifo.
> > > >
> > > > An abstraction of the config:
> > > >
> > > > //identify traffic for SEMS
> > > > //send to route[x]
> > > >
> > > > route[x] {
> > > > if( !t_newtran() ) { ..... }
> > > > if( method == "ACK" ) { break;} //drop local acks ...
> > > > t_reply("100", "msg");
> > > > send via fifo to sems ...
> > > > }
> > > >
> > > > I have stumbled against some problems:
> > > >
> > > > P1) Local ACKs from the phone are not being dropped.
> > > > P2) to-tag in replies from SER from sl_send_reply and OK message change
> > > > P3) the t_newtran does not stop sending OKs, even it receives ACKs to them
> > > >
> > > > They all seem to be related ...
> > > > the ACK from the phone back to SER, which are local(right?), are not
> > > > dropped for two reasons: the sl_timeout is not updated, as i don't
> > > > have an sl_send_reply in the route[x] block.
> > > > I can fix the above by adding an sl_send_reply("183", "sems session in
> > > > progress") ... but then, the second problem appears.
> > > > Adding the sl_send_reply(183, ) adds a to-tag to the 183-reply, but
> > > > then the following OK has a completely different to-tag ... which is
> > > > the one used by my UA to create the ACK. As the to-tag in the ACK is
> > > > different to that from the 183-reply ... the sl_filter_ack does not
> > > > recognize the ACK as local, and does not filter it.
> > > >
> > > > In any case, this would not solve the problem of the t_newtran sending
> > > > OK replies to the phone, even it receives ACKs to them.
> > > >
> > > > What can i do? should i use t_release somewhere? are these ACKs
> > > > "local"? if not, where should these ACKs be routed to, to the route[x]
> > > > block?
> > > >
> > > > Tks in advance,
> > > >
> > > > Cesc
> > > >
> > > > _______________________________________________
> > > > Serusers mailing list
> > > > serusers at lists.iptel.org
> > > > http://lists.iptel.org/mailman/listinfo/serusers
> > > >
> > > >
> > >
> > >
> >
> > _______________________________________________
> > Serusers mailing list
> > serusers at lists.iptel.org
> > http://lists.iptel.org/mailman/listinfo/serusers
>
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