Diagram of ShoreTel IP-PBX with remote VPN connection. Bandwidth usage for a VoIP connection over a VPN. Using G729, a compressed codec, the following packet size can be calculated: Voice payload (G.729) 20 bytes RTP header 12 bytes UDP header 8 bytes IP header 20 bytes VPN header
The option to route all traffic over the vpn interface is not set. same setup When trying to call the other party directly over the vpn without using a registrar at all like this: sip:address@hidden the ringtone rings at the 10.100.0.10 machine but no voice/video traffic is sent over the vpn - everything goes to the 192.168.1.x default route VoIP over VPN - VOIP Tech Chat | DSLReports Forums Apr 13, 2018 Voice and Video Enabled IPSec VPN (V3PN) Solution Oct 31, 2013 FusionPBX within VPN and NAT setting for RTP audio Oct 15, 2018
I'm running asterisk on a virtual machine. We have about 40 extensions at location 1 (10.1.1.1) and recently added another office (10.1.2.1). They are successfully tunneled via VPN / IPSEC. Asterisk
Bypassing your VPN will have a positive impact on Teams quality, and it reduces load from the VPN devices and the organization's network. To implement a split-tunnel VPN, work with your VPN vendor. Other reasons why we recommend bypassing the VPN: VPNs are typically not designed or configured to support real-time media. Oct 17, 2012 · Real-Time Transport Protocol (RTP) is an Internet Protocol standard that specifies the way programs manage the real-time transmission of multimedia data over unicast or multicast network services. In comparison to TCP (Transmission Control Protocol) which favors data integrity rather than delivery speed, RTP favors rapid delivery and has Softphone over VPN works just fine Hardphone (ie: IP 230g) will work from remote location when using the VPN Concentrator appliance. Both will work just fine for you, assuming the networking side is sound (with required ports/routes built).
There is probably something in the PBX that will treat the site B subnet as an inside subnet so it gets the PBX's inside address in the SIP/RTP requests so that site connects over the VPN instead of over the WAN. It would probably be a good idea to fix that.
When to Use a VPN to Carry VoIP Traffic | PCMag