VoIP Phones - 3cx

From AAISP Support Site

3cx.png

3CX is a software phone for Windows, iPhone and Android. See www.3cx.com/voip/softphone

This SIP software on an iPhone just works.

Feature Notes
Tested on FireBrick SIP Server Yes
IPv6 Support Possibly not
Versions Tested iPhone

Configuration

3CX Configuration Settings Example
Name: Your name
Display Name: Your name, etc
User: Your phone number
ID: Your phone number
Password: ******
Local PBX: voiceless.aa.net.uk
External PBX IP: voiceless.aa.net.uk
PBX Port: 5060
Stun: Empty
Proxy: Empty
Local SIP Port: 5065
First RTP port: 4000
TCP Transport: Off
NAT HElper Off
Echo CAncellation: On
GSM Off
G.711 (aLaw) On

Notes

 

  • Disable STUN by deleting the stun server settings
  • Disable NAT helper
  • Enable/Disable echo cancellation depending on what works best for you
  • Force a-law audio (probably unnecessary).
  • Also works over 3G (dependant on signal!)

also see Blog post