Many companies continue to rely on traditional phone systems, including trunk line telephone setups, to connect with clients ...

Most VoIP phone systems use session initiation protocol (SIP) trunking. This standard supports multimedia communications, ...

Although often used interchangeably, IP phones and VoIP phone systems have a subtle difference: VoIP phones use the public Internet to carry voice traffic while an IP phone uses a private data ...

SIP is a protocol that gives you a unique identification (a SIP number or address) on the internet that you can use as a ...