Outsourced Billing

Outsourced Billing

It is the business practice of sending all clients' billing info to a separate company, who then does everything for you. It also allows a company to cut down on time and human resources spent on administrative tasks.

Providers in database: 6433
Register VoIP Provider

Detailed description of SIP protocol

Detailed description of SIP protocolSIP protocol was made within IETF (Internet Engineering Task Force) – organization occupied with establishing Internet standards and general standards concerning TCP/IP protocols.

View more WIKI
United States Talkfree

TalkFree provides VoIP products to make high quality, low cost communications around the world. Our products support PC, Landline, ATA, and a wide variety of Mobile phones including Nokia, iPhone, and Android

Read more