[Serusers] Some calls do not go to voicemail

SIP sip at arcdiv.com
Mon Nov 12 20:39:06 CET 2007


What version of SER?

Steven C. Blair wrote:
>  
> We are experiencing a problem for which we can use some help. When a 
> subscriber receives a call from either the PSTN or another IP phone we 
> set the inv_timeout to a value which represents about four rings. For 
> most subscribers an unanswered call will timeout after the specified 
> number of rings then, via a failure route, their call will be re-route 
> to our Asterisk server for voicemail. Some subscribers, no set pattern 
> of users, have their calls timeout and the caller experience silence 
> for about 45 seconds. During this period the caller usually hangs up. 
> I cannot seem to figure out why. We set modparam("tm", 
> "fr_inv_timer_avp", "inv_timeout") and then  avp_write("20", 
> "inv_timeout"); before relaying an incoming call. Has anyone else 
> experienced any similar problems?
>  
> Thanks,Steve
>  
>  
> Senior Network Engineer,
> Information Systems and Computing
> Networking and Telecommunications , Suite 221A /6228
> University of Pennsylvania
> Voice:215-573-8396
> FAX:215-898-9348   
>  
>  
>  
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>
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