Castel SIP is a SIP intercom softphone.
The easy-to-use and intuitive application, allows you to make and receive audio and video calls from XELLIP IP intercom stations on your Android device.
With Castel SIP App, you can communicate and open the door, anywhere.
It works in standalone mode or with a Castel SIP server (locally or hosted by Castel) through Wi-Fi or 3G/4G.
Main features:
– Advanced calls management : hold on, transfer calls, audio conferencing (with server)
– Address book
– Call history
– Recording calls
– Echo cancelation
– Sound output on speaker, hands-free or using bluetooth
– Audio with the following codecs: G711 (ulaw,alaw), GSM, G722
– Video with the following codecs: VP8, H264, H265
– DTMF (telephone tones) support using in-band, SIP INFO and RFC2833
– Transport : UDP, TCP or TLS
– Interoperability: can connect to any audio/video SIP phone supporting codecs above
Note: Please, check your cellular operator’s terms of agreement to make sure they allow SIP calls on their network before using Castel SIP App.
