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SIP Trunking

For those who already have on-site soft or hardware PBX equipment, you'll benefit from the fantastic performance and highly competitive call rates found in our SIP trunking solution.

Cloud Phone System

For companies who want to out-source the running costs and management of their phone systems to the cloud, then our Cloud Phone System will provide you with a state-of-the-art hosted PBX solution without any of the technical headaches that come with managing your own telephony infrastructure.

Nextelle's SIP trunk is a Voice Over IP service ( VoIP ) that significantly reduces monthly service charges and dramatically reduces call costs.

Our SIP trunk product delivers incredible performance at an unbeatable price. You get ISDN-grade call quality and reliability, alongside all of the benefits of a modern VoIP service.

Why buy a SIP trunk from Nextelle?

We are an established SIP trunking provider and our VoIP network supports the telephone systems in different countries. After more than 10 years serving the industry, with a Nextelle SIP trunk you can relax knowing that you will get the highest quality service at the most competitive price.

Compatible Devices

Nextelle SIP Trunks are compatible with almost all SIP enabled devices, VoIP phones and PBX.

We also have configuration guides available for most popular phone systems including Asterisk, 3CX, Cisco, Draytek and many more.

What is SIP?

For those who don't already know, SIP is a Voice over IP (VoIP) technology that enables phone calls to be made over a standard Internet connection. SIP (or the Session Initiation Protocol) is a signalling protocol that enables phones and other telephony devices to talk to one another. You don't need to understand any technical details in order to use SIP, but it is somewhat similar to the HTTP protocol used by your web browser to visit web sites such as this.

So what is SIP Trunking?

SIP trunking is a term sometimes used to refer to the provision of a SIP telephony service to end users. A SIP trunk refers to a single SIP account provided by a SIP service. Put most simply, a SIP trunk is nothing more than a username and password combination used to access the service. The account will have a range of features enabled for it, such as inbound and outbound channels, phone numbers, call forwards and many other useful features you won't get on a standard telephone line.

A key benefit of the technology for the consumer is the lack of proprietary software and so-called vendor lock-in. The technology is open and moving between SIP providers is quite simple and painless. Any hardware phones or software that you use can be used with any SIP trunk and changing provider involves updating just a few simple settings. 


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