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Vonage Hello,
I am having problems with my Vonage service. Currently I can receive
Hello,
I am having problems with my Vonage service. Currently I can receive calls, and I have a dial tone when I pickup the phone. If I try to dial an outside number however I will hear the dialing and see it dial the correct number on the VPortal but after that silence and no call is made.
Here the information to the setup:
Location: Florida
ISP: Comcast (cable)
Upload/download: not sure, but high enough (>2mbps)
Modem make and model: ARRIS DOCSIS TM602G/CT
Vonage adapter: VDV21-VD
Network: Modem ->Linux router (Vyatta 5.0.2) -> Hub ->Vonage Adapter
I could not complete the Voip test, as I get Java error messages on Firefox and Iexplorer 8.0.
The vyatta router is configured for NAT and has firewall rules active which drops all packets except traffic to/from established connections and some UDP traffic required for VPN access.
I can not install the Vonage adapter in front of the vyatta router as then VPN access to the network would no longer work.
I found a Vonage support document stating the required ports for Vonage to work:
Outgoing:
DNS: 53 UDP
TFTP: 21, 69, 2400 UDP
HTTP: 80 UDP
NTP: 123 UDP
SIP: 5061 UDP
(These are not blocked by the firewall, as it allows response to established connections originating from devices behind the router)
Incoming & Outgoing (for RTP)
10000-20000 UDP
Thinking the 10000-20000 UDP incoming might be the problem I followed the instructions and forwarded these ports to the Vonage adapter which has a fixed IP. This however did not resolve the problem. I also changed the firewall rules to not block UDP traffic for these ports, this did not work either.
When i disable the firewall rules, leaving only NAT and port forwarding enabled, I can make calls though randomly it still fails with the same symptoms described above. Leaving the firewall disabled is not acceptable though as it would leave the network wide open.
Any ideas if I am missing any ports or port ranges or what issue could be causing the problem? The weird thing is that it is outgoing calls that are not working. These calls originate from inside the network and should therefor not be blocked by the firewall (though UDP is connectionless, might this be the issue?).
Any hints or advice are greatly appreaciated.
Thank you in advance,
MMunoz
Read The Full Thread: Dial tone ok, incoming calls ok, no outgoing calls
• I am not familiar with the router you are using but I would suspect that it has some
• You would need to determine if this is a non audio issue or a call completion issue.
• The problem was indeed that the far end did not ring, so it was not an audio issue.
Inspecting
MMunoz posted "Hello,
I am having problems with my Vonage service. Currently I can receive" on 08/26/2009 |
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