| SKY for Android / iOS | |
| System Standards | H.323, SIP, H.239, BFCP |
| Video Standards | H.264, H.264 High Profile |
| Audio Standards | G.711, G.722.1Annex C / Polycom Siren14TM, Opus |
| Conference Bitrate | 64 Kbps to 2 Mbps |
| Video Resolution | Video: 720p (1280 x 720), 4CIF (704 x 576), CIF (352 x 288) Content: 1080p (1920 x 1080), XGA (1024 x 768) |
| Encode Capacity | 720p @ 15 fps + XGA @ 5 fps |
| Decode Capacity | Android: 720p @ 30 fps + 1080p @ 5 fps iOS: 4CIF @ 15 fps + 1080p @ 5 fps |
| Video Features | Picture in Picture Custom user name Supports document sharing (sending or receiving) |
| Audio Features | Acoustic Echo Cancellation (AEC) Acoustic Noise Suppression (ANS) Automatic Gain Control (AGC) Automatic lip synchronization Mute and dumb |
| Network Features | Embedded proxy for NAT / firewall transversal Intelligent Packet Loss Recovery (IPLR) |
| Security Features | H.235 conference encryption AES encryption Conference password authentication Gateway password-protected |
| Conference Functions | Point-to-point / multiple conferences Join-in meeting / chairman / speaker / chime-in request Calling by E.164 ID, alias and IP addresses |
| Operating System | Android (4.0 or above) iOS (8 or above) |
| Hardware Requirement | iPhone 5 or above, iPad 2 or above |