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Advantages and Disadvantages of Using SIP Adapter

Reasons for Using SIP Adapter when VoIP Network is Extended

SIP Adapter or VoIP Adapter is a device that allows the user of a regular phone to take advantages of IP Telephony.

This can be achieved since the adapter supports SIP (Session Initiation Protocol) for operating IP network on one side and regular phone functionalities on the other side.

SIP Adapter is a light alternative to VoIP Gateway, since it allows to provide the same functionalities at minimum expenses.

Easy Configuration and Installation

A cost effective SIP Adapter is equipped with a single WAN port and single LAN port for connecting to IP/Internet network as well as with the additional connector for connecting to the analogue phone. This type of the device is easy to configure initially and install.

Configuration and installation process consists of selecting the methods for connecting and linking SIP Adapter to IP/Internet network, and configuring SIP account parameters.

Connection Scheme of SIP Adapter

Figure 1. SIP Adapter Connection Scheme.

To provide office or corporate telephone communication without applying traditional telephony it is required to install a number of SIP Adapters thus allowing to create geographically dispersed network users.

Technical Capabilities of SIP Adapter

SIP Adapter and VoIP Gateway feature similar functionalities including the following:

  • phone call routing
  • receiving IP addresses dynamically
  • blocking unauthorised access
  • updating software version
  • monitoring operation of the equipment in the network
  • phone call management functions (call forwarding, call holding, conference call, etc.).

What should I select: SIP Adapter or VoIP Gateway?

To convert voice from the analogue phone to SIP phone in transmitted IP packets SIP Adapter unlike VoIP Gateway uses the processor with reduced clock rate, which can affect the voice transmission quality. In addition modern VoIP Gateway supports more reliable and stable telecommunication connections.

With these disadvantages in mind, SIP Adapter features simple software and hardware design and is an easy to use and simple functional solution for users with a limited budget who still want to use available IP telephony functions.

Due to this SIP Adapter is an optimum product used for upgrading existing corporate telephone communication networks.