Sona UC vs GCS VoIP

Sona UC is a VoIP Mobile Client coordinated with Sona UC PBXs that makes your iOS mobile phone an office extension and links you and your colleagues and customers anywhere anytime. Make and receive calls through corporate phone network to slash call costs and enhance efficiency with consistent in-office experience. Key Capabilities - Make and receive enterprise VoIP calls over your Wi-Fi or mobile data networks to lower mobile voice charges - One number reach to conceal your personal mobile phone number and ensure unified corporate identity - Set up flexible ring strategy for Linkus and the desktop phone - Select different outbound routes for different destinations (local/long-distance/international, etc.) - Corporate directory integration with lookup and visual status indicator (available/unavailable/busy) - Configurable PBX features including Call Transfer, Call Forwarding, Call Waiting, DND, and Ring Timeout - Support Push Notifications to alert users of incoming calls while conserving energy Main Features Call Forwarding Call History Call Route Selection Call Transfer Call Waiting Contact Management Corporate Directory Do Not Disturb Extension Status Hold & Resume Native Contacts Integration One Touch Recording Outbound Route Selection PUSH Notification Ring Strategy Selection Speed Dial/Favorite Voicemail Specifications iOS Requirement: iOS 11.0 or higher Network: 2G/3G/4G or Wi-Fi Protocol: SIP FRC2361 Codec: iLBC/u-law/a-law/G722/G729 Network Protocol: TCP/IP/UDP, RTP/SRTP/RTCP, HTTP/HTTPS DTMF: Inband, RFC4733 (RFC2833), Info

GCS VoIP brings the full power of GCS IT, LLC’s Unified Communications platform directly to end-users' mobile devices. Designed for flexibility and performance, this SIP softphone keeps you connected to your clients, team, and business—wherever you are. With GCS VoIP, you can: • Make and receive calls using your business number from any location, regardless of device • Seamlessly transfer calls between devices without interruption • Manage contacts, call history, voicemail, call recordings and configurations in a single location • Customize answering rules, greetings, and presence • Send and receive SMS—including group messages • Maintain a consistent professional identity across all communication channels Whether you're remote, hybrid, or constantly on the move, GCS VoIP ensures you stay connected with clarity, control, and confidence—all from your smartphone.