Re: [VoiceOps] VoIP over 3G/4G Data Connection

2014-07-27 Thread Colton Conor
Alright notes taken so far is to obtain a static IP with the wireless carrier to avoid their Carrier Grade NAT. We already paid $500 to get static IPs from Verizon, so we are good to go there. In addition use TCP for SIP. I believe we already use TCP for the SIP signaling as we use the

Re: [VoiceOps] VoIP over 3G/4G Data Connection

2014-07-27 Thread Jay Hennigan
On 7/27/14 11:14 AM, Colton Conor wrote: I assume we are going to be dealing with alot of packet loss whether its going to 3G or 4G. We are also going to be dealing with high latency on 3G. Since we have no control over both of these issues, what other recommendations do you have? I have

Re: [VoiceOps] VoIP over 3G/4G Data Connection

2014-07-25 Thread Paul Timmins
On the other hand, if you can get SIP/TLS over TCP going, do in fact do that. You'll work around a lot of NAT and ALG issues because the ALGs can't see the traffic. Most of them don't even look at 5060/tcp as well, so TCP is often enough. TCP is good for being behind multiple layers of NAT

Re: [VoiceOps] VoIP over 3G/4G Data Connection

2014-07-25 Thread Alex Balashov
+1 on using TCP for traversing many layers of NAT of varying quality + getting around the infantile thumb-sucking that passes for ALG-assisted NAT traversal. -- Alex Balashov - Principal Evariste Systems LLC Tel: +1-678-954-0670 Web: http://www.evaristesys.com/, http://www.alexbalashov.com/