The grand decommissioning of the PSTN and replacement of ‘copper wire’ with fiber that can support IP telephony and Session Initiation Protocol (SIP) services is well underway, in the U.S. and …
( read original story …)
The grand decommissioning of the PSTN and replacement of ‘copper wire’ with fiber that can support IP telephony and Session Initiation Protocol (SIP) services is well underway, in the U.S. and …
( read original story …)