[Serusers] SER 0.9.6 with H.264 Problem!
Greger V. Teigre
greger at teigre.com
Fri Feb 23 11:38:36 CET 2007
You don't say if this is a NAT problem or not.
I would start with devices non-NATed (to sort out rtpproxy issues).
I think rtpproxy got video support a while back, but I haven't tested it.
If it works with non-NAted, you may want to review your NAT handling
based on the Getting Started guide.
g-)
Steven Wong wrote:
> Hello All:
>
> You will find enclosed our ser.cfg file that I have adapted from a
> very generous SIP user from the Internet.
>
> This ser.cfg file work perfectly with Audio (IP Phone and Softphone).
> But when I am trying to use a Video Phone (we did try with GrandStream
> GXV-3000 Video Phone), it just giving us Audio but NOT Video. I did
> also try the same GrandStream GXV-3000 Video Phone with
> FreeWorldDialup and it is working fine with Video.
>
> We have checked the etherreal output while trying to make a call and
> we are having this type of errors on the etherreal:
>
> -----
> RTP Protocol
> Source IP (The IP of the Video Phone) and Destination IP (The IP of
> the SER Server) ------ Payload Type = Unknown (126)
>
> ICMP Protocol
> Source IP (The IP of the SER Server) and Destination IP (The IP of the
> Video Phone) ------Destination Unreachable (Port Unreacheable)
>
> These 2 errors repeated six time before it stop with a good signal of:
>
> Payload Type = ITU-T G.711 PCMU
>
> Then the audio start but without audio.
> ---
>
> Would you please tell us what is going wrong with this ser.cfg file?
> your answer is greatly appreciated.
>
> Many thanks,
>
> Steven Wong
>
> --------------------------------------------------------------------------
> debug=3
> fork=yes
> log_stderror=no
> check_via=no
> dns=no
> rev_dns=no
> listen=XXX.XXX.XXX.XXX # INSERT YOUR IP ADDRESS HERE
> # port=5060
> children=3
> alias="HOST.DOMAINNAME.COM"
> alias="XXX.XXX.XXX.XXX"
> fifo="/tmp/ser_fifo"
> fifo_db_url="mysql://ser:PASSWORD@localhost/ser"
> loadmodule "/usr/local/lib/ser/modules/mysql.so"
> loadmodule "/usr/local/lib/ser/modules/sl.so"
> loadmodule "/usr/local/lib/ser/modules/tm.so"
> loadmodule "/usr/local/lib/ser/modules/rr.so"
> loadmodule "/usr/local/lib/ser/modules/maxfwd.so"
> loadmodule "/usr/local/lib/ser/modules/usrloc.so"
> loadmodule "/usr/local/lib/ser/modules/registrar.so"
> loadmodule "/usr/local/lib/ser/modules/auth.so"
> loadmodule "/usr/local/lib/ser/modules/auth_db.so"
> loadmodule "/usr/local/lib/ser/modules/uri.so"
> loadmodule "/usr/local/lib/ser/modules/uri_db.so"
> loadmodule "/usr/local/lib/ser/modules/nathelper.so"
> loadmodule "/usr/local/lib/ser/modules/textops.so"
> loadmodule "/usr/local/lib/ser/modules/acc.so"
> modparam("auth_db|uri_db|usrloc", "db_url",
> "mysql://ser:PASSWORD@localhost/ser")
> modparam("auth_db", "calculate_ha1", 1)
> modparam("auth_db", "password_column", "password")
> modparam("nathelper", "natping_interval", 30)
> modparam("nathelper", "ping_nated_only", 1)
> modparam("nathelper", "rtpproxy_sock", "unix:/var/run/rtpproxy.sock")
> modparam("usrloc", "db_mode", 2)
> modparam("registrar", "nat_flag", 6)
> modparam("rr", "enable_full_lr", 1)
> #---Accounting params
> modparam("acc", "log_level", 1)
> modparam("acc", "log_flag", 1)
> # ------------------------- request routing logic -------------------
> # main routing logic
> route{
> # 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;
> };
> # !! Nathelper
> # Special handling for NATed clients; first, NAT test is
> # executed: it looks for via!=received and RFC1918 addresses
> # in Contact (may fail if line-folding is used); also,
> # the received test should, if completed, should check all
> # vias for rpesence of received
> if (nat_uac_test("3")) {
> # Allow RR-ed requests, as these may indicate that
> # a NAT-enabled proxy takes care of it; unless it is
> # a REGISTER
> if (method == "REGISTER" || ! search("^Record-Route:")) {
> log("LOG: Someone trying to register from private IP, rewriting\n");
> # This will work only for user agents that support symmetric
> # communication. We tested quite many of them and majority is
> # smart enough to be symmetric. In some phones it takes a
> configuration
> # option. With Cisco 7960, it is called NAT_Enable=Yes, with
> kphone it is
> # called "symmetric media" and "symmetric signalling".
> fix_nated_contact(); # Rewrite contact with source IP of signalling
> if (method == "INVITE") {
> fix_nated_sdp("1"); # Add direction=active to SDP
> };
> force_rport(); # Add rport parameter to topmost Via
> setflag(6); # Mark as NATed
> };
> };
> # we record-route all messages -- to make sure that
> # subsequent messages will go through our proxy; that's
> # particularly good if upstream and downstream entities
> # use different transport protocol
> if (!method=="REGISTER") record_route();
> # subsequent messages withing a dialog should take the
> # path determined by record-routing
> if (loose_route()) {
> # mark routing logic in request
> append_hf("P-hint: rr-enforced\r\n");
> route(1);
> break;
> };
> setflag(1);
> if (!uri==myself) {
> # mark routing logic in request
> append_hf("P-hint: outbound\r\n");
> route(1);
> break;
> };
> # if the request is for other domain use UsrLoc
> # (in case, it does not work, use the following command
> # with proper names and addresses in it)
> if (uri==myself) {
> if (method=="REGISTER") {
> # Uncomment this if you want to use digest authentication
> if (!www_authorize("HOST.DOMAINNAME.COM", "subscriber")) {
> www_challenge("HOST.DOMAINNAME.COM", "0");
> break;
> };
> save("location");
> break;
> };
> lookup("aliases");
> if (!uri==myself) {
> append_hf("P-hint: outbound alias\r\n");
> route(1);
> break;
> };
> # native SIP destinations are handled using our USRLOC DB
> if (!lookup("location")) {
> sl_send_reply("404", "Not Found");
> break;
> };
> };
> append_hf("P-hint: usrloc applied\r\n");
> route(1);
> }
> route[1]
> {
> # !! Nathelper
> if (uri=~"[@:](192\.168\.|10\.|172\.(1[6-9]|2[0-9]|3[0-1])\.)" &&
> !search("^Route:")){
> sl_send_reply("479", "We don't forward to private IP addresses");
> break;
> };
>
> # if client or server know to be behind a NAT, enable relay
> if (isflagset(6)) {
> force_rtp_proxy();
> };
> # NAT processing of replies; apply to all transactions (for example,
> # re-INVITEs from public to private UA are hard to identify as
> # NATed at the moment of request processing); look at replies
> t_on_reply("1");
> # send it out now; use stateful forwarding as it works reliably
> # even for UDP2TCP
> if (!t_relay()) {
> sl_reply_error();
> };
> }
> # !! Nathelper
> onreply_route[1] {
> # NATed transaction ?
> if (isflagset(6) && status =~ "(183)|2[0-9][0-9]") {
> fix_nated_contact();
> force_rtp_proxy();
> # otherwise, is it a transaction behind a NAT and we did not
> # know at time of request processing ? (RFC1918 contacts)
> } else if (nat_uac_test("1")) {
> fix_nated_contact();
> };
> }
> --------------------------------------------------------------------------
>
> ------------------------------------------------------------------------
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