CNAM and Cell Phones

CNAM and Cell Phones

Caller ID Name for Cell Phones

Not all cell phone networks support CNAM due to technical limitations, or the way that calls are routed on cellular networks. 

If the cellular network you're calling does not support the transmission of CNAM over VoIP, then the recipient of the call may not see any Caller ID Name information. 

This is why caller ID does not always show up on cell phones when calling from VoIP lines. In those instances, it would display the telephone number and maybe the Rate Center, but not a company name.

Example

844-597-7463 has a CNAM set in the national database as PRIMECALLVOIP. When calling someone that has T-Mobile for their provider, the CNAM display may show 844-597-7463 (telephone number) and ALLEN, TX (Rate Center) instead of PRIMECALLVOIP (Company name).

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