General SIP trunk settings and PBX compatibility
This article provides information about PBX compatibility with SIP trunking solutions.
The information contained in this article is extracted from the Help Portal on the VoiceHost website. Further information concerning SIP trunks, hosted PBXs, routers, VoIP handsets and softphones may be found at, https://www.voicehost.co.uk/help?page=1.
If a PBX is SIP-compatible, then it will generally be immediately compatible with SIP trunking solutions provided by Cloud Direct. The most important features for testing the compatibility of a PBX are these:
- Ability to set registration time at 120 seconds (halves to 60s) where registration is required for inbound calls.
- Ability to enter a username and password for authentication on outgoing calls.
If your PBX is not SIP compatible (i.e. a legacy PBX), then it may still be compatible with a SIP to PSTN Gateway connected to the PBX, such as those made by Vega or Sangoma. Please call Cloud Direct for confirmation if you plan to connect one to the service.
General SIP trunk settings
The following table lists general SIP trunk setting options.
|
SIP trunk setting |
Available options |
|
Protocols and encapsulation |
SIP 2.0 (RFC3261 and associated RFCs) for signalling RTP for media encapsulation UDP transport (default) TCP transport (optional) TLS | SRTP |
|
VoiceHost SIP Trunk Gateways & Firewall Configuration |
st.voicehost.co.uk / st.sipconvergence.co.uk Firewall configuration: 37.157.52.128/25 and 37.157.54.192/28 (37.157.52.130 - 37.157.52.254 and 37.157.54.194 - 37.157.54.206) |
|
Ports |
5060 UDP (SIP signaling) 5061 TCP TLS (SECURE SIP signaling) TCP and UDP port 389 (LDAP) and 636 (LDAPS) |
|
Outbound Call Authentication |
Username/password authentication (default) OR IP authentication |
|
DTMF (Tones) |
RFC2833 (out-of-band) |
|
Supported codecs |
G.711 a-Law, G.711 u-Law, G.722 (HD), GSM 6.10 FR (Full Rate) |
|
Incoming number formats |
E.164: +countrycode then number less leading zero, e.g. +441603904090 (SIP trunk can be configured to strip the plus on the portal) |
|
Outgoing number formats |
UK format (e.g. 01603904090) or full E.164 format (e.g. +441603904090). |
|
Voicemail to Email |
The email servers send attachments as a *.wav |
SIP trunk / PBX compatibility
The following table lists PBX platform to SIP trunk interoperability (Compatible platforms & hardware).
|
Platform |
Product |
Compatibility |
|
Asterisk based |
IP Cortex FreePBX v2 TrixBox SARK Asterisk |
Confirmed |
|
FreeSWITCH based |
FreePBX v3 FreeSWITCH |
Confirmed |
|
Broadsoft based |
All |
Confirmed |
|
Metaswitch based |
All |
Confirmed |
|
PABX Manufacturers |
Panasonic NCP500 and NS1000 (accredited) Mitel 3300 (MCD) (accredited) Mitel 5000 Samsung OfficeServ 7000 series (accredited) Avaya IP Office 500 LG iPECS NEC SL1100 and SV8100 (accredited in IP authentication mode) Gigaset PRO T300/500 snomONE PBX Cisco UC320 and IOS PBX 3CX Phone System Grandstream PBX iQ PBX DrayTEK PBX |
Confirmed |
|
SBC Manufacturers |
OpenSIPS GENBAND SONUS Kamailio OpenSER ACME Packet Metaswitch Dialogic (IP authentication only) |
Confirmed |
|
Incompatible Platforms & Hardware |
Microsoft Lync (currently under testing) Microsoft Office365 (currently under testing) NEC XN120 |
Cannot be used |
Configuring SIP trunks
The Help Portal on the VoiceHost website also contains articles detailing how to configure SIP trunks with the following PBXs:
