[Asterisk-Users] Voice channel could not be established.

[C.K]

Hello,   I have a environment whereby both grandstreams is behind the NAT and the asterisk is nehind the NAT too, I am using the STUN as well to map the IP together, I could call the other grandstream phone but I could not pass the voice over, what could be the problem, please advice.   Thanks in advance, C.K --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.710 / Virus Database: 466 - Release Date: 6/23/2004

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