sr-users December 2017

sr-users@lists.kamailio.org

73 participants
100 discussions

max_contacts does not work as expected
by Gholamreza Sabery 04 Dec '17

04 Dec '17

I have a Kamailio server that has: modparam("registrar", "max_contacts", 2) But recently I noticed some users have more than two records in the location table. For example one of the users has three different records with nearly the same information. The records are as follows. Is this behavior normal? (I am using Kamailio 4XX). *************************** 1. row *************************** id: 171296745 ruid: uloc-2c69-59db6c73-7ca-132d92 username: 999999999999 … [View More] domain: NULL contact: sip:999999999999@5.106.35.18:10362 received: sip:5.106.35.18:10361 path: NULL expires: 2017-11-14 08:45:50 q: -1.00 callid: XpCnmaAhRF cseq: 43 last_modified: 2017-11-14 08:44:50 flags: 0 cflags: 64 user_agent: android_1.1.0_samsung_SM-E500H_7b271714c08b942aa821fc756cdd2e890a37069e/1.1.0 (belle-sip/1.4.2) socket: udp:192.168.103.21:5060 methods: NULL instance: <urn:uuid:8369ef6e-202b-4844-8928-492a7678c269> reg_id: 0 server_id: 11369 connection_id: -1 keepalive: 1 partition: 14 *************************** 2. row *************************** id: 171296746 ruid: uloc-2c69-59db6c73-7f2-eb5d92 username: 999999999999 domain: NULL contact: sip:999999999999@5.106.35.18:10362 received: sip:5.106.35.18:10361 path: NULL expires: 2017-11-14 08:45:50 q: -1.00 callid: BzMKuyJN8C cseq: 50 last_modified: 2017-11-14 08:44:50 flags: 0 cflags: 64 user_agent: android_1.1.0_samsung_SM-E500H_7b271714c08b942aa821fc756cdd2e890a37069e/1.1.0 (belle-sip/1.4.2) socket: udp:192.168.103.21:5060 methods: NULL instance: <urn:uuid:8369ef6e-202b-4844-8928-492a7678c269> reg_id: 0 server_id: 11369 connection_id: -1 keepalive: 1 partition: 23 *************************** 3. row *************************** id: 171296747 ruid: uloc-2c69-59db6c73-80f-541d92 username: 999999999999 domain: NULL contact: sip:999999999999@5.106.35.18:10362 received: sip:5.106.35.18:10361 path: NULL expires: 2017-11-14 08:45:50 q: -1.00 callid: 3p9P4PgZSv cseq: 51 last_modified: 2017-11-14 08:44:50 flags: 0 cflags: 64 user_agent: android_1.1.0_samsung_SM-E500H_7b271714c08b942aa821fc756cdd2e890a37069e/1.1.0 (belle-sip/1.4.2) socket: udp:192.168.103.21:5060 methods: NULL instance: <urn:uuid:8369ef6e-202b-4844-8928-492a7678c269> reg_id: 0 server_id: 11369 connection_id: -1 keepalive: 1 partition: 15 [View Less]

4 12

Dialog Module Hash Size vs Number of Dialogs
by Mark Blackford 04 Dec '17

04 Dec '17

Hello, I am trying to properly size the use of the Dialog Module hash table for Kamailio 4.1.3 implementation using: modparam("dialog", "hash_size", <number that is power of two>) However, in my testing, I have been unable to figure out the relationship between the hash size and a number of dialogs I need to support. I think the hash size is specifying a memory block in kB, but even setting the hash size to a very tiny number does stop me from creating hundreds of dialogs. Is there a … [View More]

2 1

How to get call on an extension, which is registered when a call towards it reach kamailio. How to modify pending session parameters in kamailio?
by Arun NV 04 Dec '17

04 Dec '17

Hi, I am using *Kamailio 4.4* as the proxy with my *Asteri**sk *server. I am trying to develop a scenario where an extension gets registered on asterisk via *Kamailio *when it receives a push notification. This push notification is sent to the sip extension when a call towards this extension reaches to the *Kamailio*. For example, suppose there is two SIP extension(* extension 1 and extension 2*) registered on *Asterisk *via Kamailio. When a call from *extension 1* reaches the asterisk, it … [View More]forwards the *INVITE *request towards *extension 2* via Kamailio.Kamailio will try to forward it to extension 2. suppose the *extension 2* is not able to receive the *INVITE *request from *Kamailio*. When extension two receive a push notification, it will register on asterisk. So I need to get the call on *extension 2 *through the new registration. We are trying to simulate registration of extension to the asterisk when receiving the push notification. First, we registered *extension 2 *and disconnected the network. Then we tried to register the same extension when a call from *extension 1 *reaches to Kamailio. This is a simulation of push-based registration since an extension that receives the push will attempt to register when an incoming call is received. When asterisk sends *INVITE *request to Kamailio, it immediately responded with *100 trying* provisional response. This *100* response by Kamailio towards asterisk prevents asterisk from re-transmitting the INVITE. Then Kamailio tried to send and retransmit the packet to *extension 2*, which does not have network access. This* extension 2 *was on port number *24071*. Even after successful registration(in port *59995*) of the *extension 2*, Kamailio continued to transmit the packets to the old port. After that, we have configured Kamailio in a way that it won't send an immeadeate provisional reply(*100 trying* ) for *INVITE *request. Here Kamailio is not immediately sending *100 trying* message to *Asterisk*. This forces Asterisk to re-transmit. Asterisk was found to retransmit the same packets. However, even after the successful registration of* extension 2*, asterisk continued to send the old invite to Kamailio not the new one to the latest port. This is the problem for me since push relies on the *INVITE *reaching the phone at the correct port number. So, is there other good approaches to solve this issue? One thing I would like to try is modifying the pending *INVITE *request towards old registered port with the new port details when new registration reaches to Kamailio. Can I get the ongoing requests from Kamailio? Please suggest a viable solution. Thank you, Arunbalan [View Less]

2 1

Using dispatcher's algorithm 12
by George Diamantopoulos 04 Dec '17

04 Dec '17

Hello all, I've been trying to use dispatcher's algorithm "12" to fork REGISTER messages constructed with uac module to all destinations within a set. However, the request is routed to only one destination. Is anything else needed in addition to calling ds_select_dst("0", "12") in the configuration script? Thanks. BR, George

3 5

bash script to install siremis&kamailio
by Atux Atux 04 Dec '17

04 Dec '17

Hi. i would like to ask if someone has found any bash script that could install all at once for Kamailio and Siremis in ubuntu/debian or even in centos.

2 1

dmq issues
by Aidar Kamalov 03 Dec '17

03 Dec '17

Hello. I have 4 kamailio nodes with same config: modparam("dmq", "server_address", "sip:LOCALIP:5050") modparam("dmq", "notification_address", "sip:192.168.8.213:5050") modparam("dmq", "notification_address", "sip:192.168.10.54:5050") modparam("dmq", "notification_address", "sip:192.168.107.195:5050") modparam("dmq", "notification_address", "sip:192.168.150.225:5050") modparam("dmq", "num_workers", 6) modparam("dmq_usrloc", "enable", 1) modparam("dmq_usrloc", "sync", 1) modparam("dmq_usrloc", … [View More]

3 8

kamailio as application server
by eyas barhouk 01 Dec '17

01 Dec '17

Hello if i need to use kamailio as an application server like mmtel for example how could i do that and what is the features that kamailio have if i want to use it as application server in another word what is the type of application server it could be act like (mmtel - presence) ? and thanks for help

2 1

In need of a simple, stateless 302 redirect for INVITE
by Robert 01 Dec '17

01 Dec '17

Hello again, I am not a SIP expert, and I’m new to Kamailio, really enjoying learning it, but I’ve hit a blocker and I’m pretty sure I’ve missed something really simple. I’m looking to implement the Redirect Server from here: https://tools.ietf.org/html/rfc3665#section-3.6 <https://tools.ietf.org/html/rfc3665#section-3.6> (the Avaya Session Manager being Alice), Kamailio as the Redirect Server. My configuration is working fine, and I can see the 302 going back (to Avaya SM), I then get … [View More]

3 3

DBURL password in clear
by Robert 01 Dec '17

01 Dec '17

Hello, I’m working for a UK high street bank and our Kamailio implementation has been challenged because we’ve got database passwords held in clear in the configuration file. I am unable to find any examples of where this has been worked around, there doesn’t seem to be any module or configuration means of supplying a variable in the modparam() entry that is expanded a startup. The security tutorials only seem to relate to the SIP level of security, not Kamailio as a platform. My requirement … [View More]

5 14

Dispatcher latency stats monitoring with statsd
by Julien Chavanton 01 Dec '17

01 Dec '17

Not sure if anyone is using "latency measurement" feature in Kamailio dispatcher module, I thought I could share a very simple Python script that I am using to monitor remote gateway using this. Sample Script is attached, it will post data to statsd and is working in cron The feature can be enabled : 3.27. ds_ping_latency_stats (int) Enable latency measurement when pinging nodes If set to 0, disable latency measurement. If set to 1, enable latency measurement https://www.kamailio.org/… [View More]

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sr-users December 2017