[VoiceOps] DTMF issues for Conf Bridges
scott at sberkman.net
Tue Mar 16 13:36:50 EDT 2010
We have seen these issues over and over again with the super-cheap or "free"
conferencing services. They play games by buying trunks into really remote
areas (looks like Battle Lake, MN this time), and those areas cannot handle
the load these services bring (both in terms of the local switches and other
carrier's trunks to those areas). You can find another thread on this topic
in the achieves as well, but take the issue up with the conference provider,
not Level 3.
From: voiceops-bounces at voiceops.org [mailto:voiceops-bounces at voiceops.org]
On Behalf Of Chris Ledford
Sent: Tuesday, March 16, 2010 12:37 PM
To: voiceops at voiceops.org
Subject: [VoiceOps] DTMF issues for Conf Bridges
I have a switch out of the Miami and we are experiencing DTMF problems
getting to 215 or 218 NPA. The call completes and then the DTMF to gain
access to the conf dies. I tries INFO and RFC2833, inband, via sip,
transparent all using G711 codec. No luck on anything so I opened a ticket
with L3 and L3 said that the circuit is oversubscribed on the conf bridge
Here is an excerpt from the email
".Test results confirm NPA NXX 218 862 is on the access pumping list, A
known capasity issue on the Level 3 Network whare a RCC 34 is sent to
customer to route away from LVL 3."
I am not sure what to the next step is..any ideas would help..
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