AT&T IP Flexible Reach vs Colt SIP Trunking
| AT&T IP Flexible Reach | Colt SIP Trunking | |
|---|---|---|
| Platforms | Web | Web |
| Pricing model | hybrid | hybrid |
| Concurrent channels | 6 channels | |
| Emergency calling | Yes | Yes |
| Number porting | Yes | |
| Encrypted signaling | Yes |
Listed together in Best SIP Trunking Providers