VoIP Phones - 3cx: Difference between revisions

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=No longer works=

'''March 2022 - the 3CX soft phone now only works with the 3CX PBX and is no longer a generic SIP client and so won't work with our SIP servers.'''

=Legacy information=

Older versions of 3CX was a software phone for Windows, iPhone and Android. See [http://www.3cx.com/voip/softphone/ www.3cx.com/voip/softphone] Be aware that this stand alone client 'does not receive any software updates or support' from 3CX.

The 3CX PBX is very different to this soft phone, and does work with our SIP service.

{| class="wikitable"

!colspan="2"|3CX Feature Notes

|-

!Tested on FireBrick SIP Server

|Yes - DOES NOT WORK ANY MORE

|-

!IPv6 Support

|Possibly not

|-

!Versions Tested

|iPhone

|-

!NAT Tested

|Yes, Worked on 3G data services

|}

==Configuration==

[[File:Phone-3cx.png|right]]

{| class="wikitable"

!colspan="2"|iPhone 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

|-

!G.711 (uLaw)

|Off

|}

*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 see [http://revk.www.me.uk/2013/06/replacing-mobile-service.html Blog post]

==Firewall & Security==

*Also see the [[VoIP Security]] page for information about securing your VoIP service.

[[Category:VoIP Phones|3cx]]