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SIP Trunks

High Quality and Reliable SIP Trunk Service with great value call charges


High Quality and Reliable SIP Trunk Service with great value call charges.

1st SIP trunk installed in 2005, 15,000+ SIP Trunks currently installed, Approved by more telephony manufacturers than any other provider in Europe, UK Based support & development teams, Full number porting desk
Range of UK and international numbers, Full range of data connections.
Use your existing telephone application

SIP to SIP (on net) calls FOC - No number rental - Fraud alerting - Fraud suspension - Failover Manual OR - Automatic Failover

Voiceflex has more PBX manufacturer approvals than any other UK SIP trunk provider.

It has been important from our inception to work closely with the major PBX manufacturers. Our testing and approval system provides our customers with a stable solution across all our approved PBXs.

3CX
Aastra
Acrobits
Alcatel-Lucent OmniPCX Enterprise OmniPCX Office
Altigen
Asterisk
Avaya one-X Quick Edition IP Office
AVM
Axtan
AYC
Camrivox
Cisco UC320 UC 500 CallManager
Clarity 4000 series
CounterPath X-Lite eyeBeam
Elmeg
Epygi
Ericsson
Hitachi
Ingate SIParator
LG iPECS
Linksys Linksys One
Microsoft Lync
Mitel Limited to specifc firmware.
NEC SV8100
Nescrow
Nortel Limited interop.
OneAccess
OneStream
OpenSER
Panasonic X-TDA15 KX-TDA30 KX-NCP TGP500
Samsung OfficeServ
Shoretel
Siemens HiPath BizIP HiPath 2000 HiPath 3000 HiPath OpenOffice ME
Snom 320 One
Splicecom Maximiser
Swyx
Tadiran
Talkswitch

Telrad


Toshiba
IPEDGE

TrixBox

Vega Stream IP Gateways
Vertical Communications Xcelerator IP
VOIspeed
Yealink
Wave
Zultys

To make an enquiry regarding our SIP Trunk Services Please call 0800 6122199

High Quality and Reliable SIP Trunk Service with great value call charges