SimSIP Phone Client

SimSIP Phone Client is a free voice over Internet client.

SimSIP Phone Client is a free voice over Internet client which allowing users to make and receive calls over the Internet from anywhere in the world.

What makes SimSIP special is its seamless integration into Android's normal behavior. This means that inbound and outbound calls are automatically routed through a Wi-Fi connection whenever Wi-Fi is available. Upon leaving a Wi-Fi coverage area, calls are automatically routed through the wireless network.

The client has also been thoroughly tested in NAT environments, something lacking in several other clients available for Android.

This client can be used with any VOIP provider, although Casertex Mobile customers will benefit from the fact that the same phone number can be used for both mobile and voip calls.

Casertex customer also receive free support by contacting Casertex Brasil's customer care center at www.casertex.com or +558530550361.