BT Global SIP
5.2#21 in sip trunking providersWeb
VisitBT Global SIP vs Callcentric SIP Trunking
Callcentric SIP Trunking
8.0#1 in sip trunking providersFrom $1.95 a monthFree planAndroidiOSWebExtension
VisitWhat both publish
| Fact | BT Global SIP | Callcentric SIP Trunking |
|---|---|---|
| Calling features | The product supports inbound PSTN traffic, outbound local, regional and national calls, emergency calls, number porting, and DDI reservation and allocation. | The feature catalog includes call forwarding, call hunting, call treatments, simultaneous ringing, IVR, voicemail, fax reception, caller-ID controls and network-down forwarding. |
| Founded | 1846 | 2001 |
| Headquarters | London, United Kingdom | New York, New York, USA |
| Integrations | BT describes integration with Microsoft Teams, Zoom Meetings and Cisco Webex. | Official setup coverage includes 3CX, Asterisk, Zoiper, Bria Solo, Grandstream, Yealink, Cisco, Polycom, Snom, Linksys, Obihai and other SIP devices. |
BT Global SIP plans
- BT Global SIPPriced on request
Callcentric SIP Trunking plans
- Pay Per CallFree
- IP FreedomFree
- North America Basic$1.95 a month
- US/Canada Toll Free number$3.95 a month
- North America 500$6.95 a month
- North America 1000$12.95 a month
Pick BT Global SIP if…
BT Global SIP is intended for global organisations seeking to consolidate voice and data networks and connect collaboration platforms. It may suit organisations that need country-dependent PSTN replacement or outbound calling options.
Pick Callcentric SIP Trunking if…
Callcentric suits businesses using SIP-based IP PBXs or gateways that need outbound calling with variable per-minute charges. Its listed use cases include offices, call centers, IVR services, and calling card providers.