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Joined: Nov 2013
Posts: 39
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Member
Joined: Nov 2013
Posts: 39 |
Has anyone interopted with Allstream sip trunks through an Adtran plus a local router?
we have 2 way audio on Outbound calls but 1 way audio (the NEC can not hear caller) on inbound calls.
any ideas will help.
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Joined: Sep 2004
Posts: 4,215 Likes: 2
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Member
Joined: Sep 2004
Posts: 4,215 Likes: 2 |
NAT is messed up. SIP ALG must be off on the router as well.
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