Telephony Service Provider
Overview of the Telephony Service Provider technology.
The Telephony Service Provider technology is not associated with any headers.
For programming guidance for this technology, see:
This browser is no longer supported.
Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support.
Overview of the Telephony Service Provider technology.
The Telephony Service Provider technology is not associated with any headers.
For programming guidance for this technology, see: