Castel SIP vs MoSIP C5

Castel SIP App is a SIP intercom softphone. The easy-to-use and intuitive application, allows you to make and receive audio and video calls from IP intercom stations (XELLIP, CAPIP...) on your iPhone or iPad. With Castel SIP App, you can communicate and open the door, anywhere. It works with the Castel Cloud SIP server through Wi-Fi and 3G/4G/5G. Main features: - Audio and video calls with advanced functionalities (Loudspeaker, transfer calls, hold...) - Address book with favorites - Call history - Remote commands during calls and DTMF - Support landscape and portrait mode for all smartphone and tablet designs (camera notch...) 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.

MoSIP C5 is an enterprise level UC/IP-PBX softphone which works with any SIP Standard UC/IP-PBX and brings all the functionalities onto a mobile device, with automated provisioning to control and manage SIP configurations. The application can be used to stay connected with business IP PBX phone system from the comfort of their mobile devices. This app helps enterprises/businesses to bring out maximum productivity from their workforce. Users need to configure MoSIP C5 with their enterprise IP PBX system to make it functional. Key Features: - Voice & Video Calling - Instant Messaging & Presence - 3 Way Audio Conferencing - Auto provisioning - Supports TLS and SRTP - Call Transfer, Forwarding, Waiting & History - Built-in echo cancellation - Do Not Disturb - Voicemail - Multitasking support for incoming calls while using other applications - Supports G.711 (ulaw, alaw) and G.729 - Bluetooth accessories support - Supports sending of DTMF