We have been testing it on our 2 SBCs - ACME and Sansay. Initial testing has revealed that it changes the SDP Media port between the Initial INVITE and the follow up INVITE (with credentials). That seems to work on ACME , but not on Sansay. The other issue we noted on ACME was that calls hairpinned back to the SIP trunk get no Audio either way, when you clearly see 2 way RTP traffic between Zultys and ACME. From looking at similar issues in the past, the TTL on RTP packets usually is the culprit going all the way to the Terminating carrier - not gotten to the bottom of this one completely yet. On Tue, Oct 16, 2012 at 12:54 PM, Sanjay Srinivasan < ssrinivasan at telesphere.com> wrote:
I have a customer opportunity to deliver SIP trunks to a Zultys MX 250 IP PBX. In the world of IP PBXs, that name is not one I run in to a lot.****
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Does anyone have experience with this box? SIP implementation quality? If you have done this, any obvious, basic issues? My SIP delivery mechanism would be via ACME Packet.****
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Thanks,****
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*SANJAY SRINIVASAN* | Anywhere (480) 385-7062 | Fax (480) 385-7007 | ssrinivasan at telesphere.com Telesphere | 9237 E. Via de Ventura, Ste 250 | Scottsdale, AZ 85258<http://maps.google.com/maps?f=q&q=9237%20E.%20Via%20de%20Ventura,%20Ste%2025...> ****
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