I need help resolving a SIP Trunk Problem. We have a data T1 with Ethernet handoff. Our SIP trunks work fine when our Asterisk PBX is attached to the Ethernet handoff. We can pass internet traffic through our Cisco 2821 Router. We have the handoff coming in on port 0/0 of our our Cisco 2821...
Have a customer with an asterisk based PBX system and wants to do SIP trunks. Their data connection is 10MB ethernet over copper which connects to a cisco 2821. The VOIP phones are connected to a cisco switch and the computers to the phones. The ethernet connection is on the gigabit0/0 and the...
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