[VoiceOps] The peer of my peer is my peer?

[Hiers, David]

So... one of the parties is a BW subscriber on your system?



David Hiers

CCIE (R/S, V), CISSP
ADP Dealer Services
2525 SW 1st Ave.
Suite 300W
Portland, OR 97201
o: 503-205-4467
f: 503-402-3277


-----Original Message-----
From: Ujjval Karihaloo [mailto:ujjval at simplesignal.com] 
Sent: Tuesday, August 10, 2010 10:27 AM
To: Hiers, David; voiceops at voiceops.org
Subject: RE: The peer of my peer is my peer?

Followup - 

 

Just seeing this with one customer now...

 

Our settings on Viper don't allow L3 to transcode L3 Cust to L3 Cust ....However, I can get it to work on Vector.

 

Any idea whats the best way ifpossible to hairpin the calls back to PSTN for this kind of scenario on Broadsoft?

 

From: voiceops-bounces at voiceops.org [mailto:voiceops-bounces at voiceops.org] On Behalf Of Hiers, David
Sent: Tuesday, July 13, 2010 2:39 PM
To: voiceops at voiceops.org
Subject: [VoiceOps] The peer of my peer is my peer?

 

Every so often this issue comes up, and I want to get a read on it from other VOIP resellers...

 

Consider a couple of unrelated VOIP resellers that peer with a carrier like L3.  Both can interop with L3 using strict SIP and RTP settings (max forwards, g729 only, 10ms ptime, whatever).  Both are free to select mutually incompatible settings.  For instance, reseller A can chose 729 only, and reseller B can choose 711 only.  L3 will connect both to the PSTN without any trouble.

 

Everything is good until they try to call each other.  Then the mutually incompatible settings will break calls or render predicted usage patterns invalid.  Sure, you're still signaling to a L3 SIP server, but some the information in the SIP/SDP packets that you receive is controlled by the other reseller.

 

How often do you see problems related to the peer of your peer?

 

 

 

 

David Hiers

CCIE (R/S, V), CISSP
ADP Dealer Services
2525 SW 1st Ave.
Suite 300W
Portland, OR 97201
o: 503-205-4467
f: 503-402-3277

 

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