[asterisk-users] PJSIP trunk to Telynx

Carlos Chavez cursor at telecomab.mx
Sun Oct 22 21:27:57 CDT 2017

On 10/20/2017 8:46 PM, Joshua Colp wrote:

> On Fri, Oct 20, 2017, at 10:17 PM, Carlos Chavez wrote:
>> Has anyone used Telynx as a SIP trunk provider?  It works with chan_sip
>> but it I seem to be having problems trying to set up a PJSIP trunk.  I
>> always get a 401 Unauthorized when they send me a call.  I know my
>> username and password are correct since I can register and PJSIP uses
>> the same information for inbound as for the registration.  Unfortunately
>> their support department said "PJSIP what?".  It seems mos SIP providers
>> know Asterisk but are not aware of the important change coming.  I
>> already got a nasty surprise from Voicepulse stating that they do not
>> support PJSIP so their service will not work with newer installations.
> Generally ITSPs don't authenticate to you, they expect the device or
> software to just know the call is from them and to accept it. In PJSIP
> this is done by using an identify section and matching based on IP
> address. There's also the line option[1] to outbound registration which
> works with some equipment, if it works then no identify section is
> required.
     Thank you.  I forgot that little detail.  I just changed my 
identify section to use an endpoint that does not have an auth section 
and only uses the IP in the AOR section.  It is working now.

> -- 
> Telecomunicaciones Abiertas de México S.A. de C.V.
> Carlos Chávez
> dCAP #1349
> +52-(55)8116-9161

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