Difference between revisions of "Client not receiving incoming calls"

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2. Open Call Info for the problematic call
2. Open Call Info for the problematic call
* Please check the hangup cause. If it has code 20, which means that the device is unavailable (not registered). Asterisk log usually shows: WARNING    Unable to create channel of type 'SIP' (cause 20 - Subscriber absent)


3. Retrieve PCAP
3. Retrieve PCAP


4. Check if INVITE was sent to the correct IP:PORT
* Check if INVITE was sent to the correct IP:PORT


4. Check Asterisk CLI for errors:
=== __sip_xmit returned -2: No such file or directory ===
If the device is TCP - make registration every 60s, could be problem with port expiring
Make sure nat=yes, is not used, change to nat=force_rport,comedia




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==See also==
==See also==
* [[Cause No. 20 - subscriber absent]]
* [[I have a problem with Registration]]
* [[I have a problem with Registration]]

Latest revision as of 08:36, 5 September 2022

Steps to troubleshoot:

1. Check if the device is registered to the system, fix if no

2. Open Call Info for the problematic call

  • Please check the hangup cause. If it has code 20, which means that the device is unavailable (not registered). Asterisk log usually shows: WARNING Unable to create channel of type 'SIP' (cause 20 - Subscriber absent)

3. Retrieve PCAP

  • Check if INVITE was sent to the correct IP:PORT

4. Check Asterisk CLI for errors:

__sip_xmit returned -2: No such file or directory

If the device is TCP - make registration every 60s, could be problem with port expiring

Make sure nat=yes, is not used, change to nat=force_rport,comedia




See also