Side by side
AT&T IP Flexible Reach vs Virgin Media Business SIP Trunking
Both stand on sip trunking providers. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Paid Web
IP Flexible Reach connects existing telephony equipment to SIP calling, with options for Teams integration and shared branch trunks. Businesses need the specified AT&T network access and should request a price from sales.
Visit AT&T IP Flexible Reach Paid Web
Consider SIP Trunking if your business wants to keep its existing phone system and manage calls over an IP connection. Check that your connection, SBC, and PBX meet the requirements, and request pricing; international calling may add charges.
Visit Virgin Media Business SIP TrunkingThe facts
| AT&T IP Flexible Reach | Virgin Media Business SIP Trunking | |
|---|---|---|
| Free plan | Not published | Not published |
| Open source | Not published | Not published |
| Runs on | Web | Web |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 1 | 1 |
| Maker | Not published | Not published |
| Website | business.att.com | virginmediabusiness.co.uk |
| On sip trunking providers | #11 of 30 | #28 of 30 |
AT&T IP Flexible Reach: what it does well
- Works with existing voice equipment and PBX systems.
- Concurrent call channels can be adjusted.
- Branch extensions can share trunks across locations.
- Portal includes performance and call-detail reporting.
- On-net VoIP-to-VoIP calls incur no additional charges.
What to know first
- Requires AT&T Dedicated Internet Service or AT&T Virtual Private Network access.
- Pricing is available on request.
- Teams integration requires a certified Session Border Controller.
Virgin Media Business SIP Trunking: what it does well
- Lets businesses continue using an existing on-premises phone system.
- Can run over the customer's own internet service.
- Supports keeping existing numbers and presenting different outbound numbers.
- Portal includes call diverts, continuity plans, statistics, and usage reports.
- Encryption and geographic resilience are offered as standard.
What to know first
- Pricing is available on request.
- Requires good-bandwidth internet or private connectivity, a compatible SBC, and a PBX.
- International calls may incur additional charges.
Alternatives to AT&T IP Flexible Reach Alternatives to Virgin Media Business SIP Trunking The whole list