Session Initiation Protocol (SIP) uses VoIP protocol to connect phone systems to the PSTN. SIP trunk are seen as a cost-effective alternative or replacement for ISDN, which is being switched off in 2025.
The Session Border Controller (SBC) securely transfers data from your phone system into the Public Switched Telephone Network (PSTN).
With over 20 years in the business telecoms industry and an unrivalled reputation of delivering excellent, personal customer service, Arrow is one of very few companies in the UK able to provide a full telecoms, IT and energy consultancy and service proposition.
Savings through automation, scale, improved service. We’ve got that covered. But the true value comes with empathy, through empowerment, collaboration. It’s connecting people that drives us forward. It’s people that make tomorrow happen.
The technical storage or access is strictly necessary for the legitimate purpose of enabling the use of a specific service explicitly requested by the subscriber or user, or for the sole purpose of carrying out the transmission of a communication over an electronic communications network.
The technical storage or access is necessary for the legitimate purpose of storing preferences that are not requested by the subscriber or user.
The technical storage or access that is used exclusively for statistical purposes.The technical storage or access that is used exclusively for anonymous statistical purposes. Without a subpoena, voluntary compliance on the part of your Internet Service Provider, or additional records from a third party, information stored or retrieved for this purpose alone cannot usually be used to identify you.
The technical storage or access is required to create user profiles to send advertising, or to track the user on a website or across several websites for similar marketing purposes.