[asterisk-users] Weird extension behavior

[Yuan LIU]

>From: Mark Hennessy <asterisk-users at evilbrain.com>
>Date: Sun, 01 Apr 2007 06:15:40 -0400
>
>Hi, I'm using Asterisk with two Cisco 7960 phones using SIP.
>I'm seeing the following weird behavior:
>SIP Phome 1 is extension 4002
>SIP Phone 2 is extension 4003
>
>I call 4002 from 4003 and that works fine.
>I call 4003 from 4002, and it rings locally to 4002, never gets to 4003.
>
>I'm able to send a config query packet to 4003 from the asterisk  console 
>and get a response, when I send one to 4002 there is no respone.
>
>I know that both phones pull down their config via TFTP properly, I  look 
>in the network settings and see that 4002 has been given an IP of  
>x.y.z.201 and 4003 has been given an IP of x.y.z.202 and the asterisk  box 
>is running on x.y.z.74.
>
>I combed through all of the config files in both Asterisk's config and  the 
>TFTP-downloaded configs for the phones looking for any possible  instance 
>of 4003 being transposed for 4002 or vice versa and was not  able to find 
>any.
>
>What additional information is necessary to provide to trace down and  
>resolve this issue?

Corresponding entries in sip.conf may help.

Yuan Liu

>AFAICT, the server is using Asterisk 1.2.x and beyond the 7960 phones,  no 
>other specialized hardware is in use.
>
>--
>Mark P. Hennessy