VOM vs Kuxin IM

VOM for iPhone VOM for iPhone is the newest SIP softphone from PortSIP Solutions, Inc., it's built base on PortSIP VoIP SDK, allowing users to enjoy multimedia communications over the Wi-Fi or 3G/LTE connection on iPhone. Featuring an intuitive interface, VOM for iPhone is expanding the softphone experience by making it even easier to make Voice over IP calls.It's support access the existing iPhone contact list. VOM for iPhone works seamlessly with your internet connection, it including great features to help you stay in touch with friends, family and co-workers, share your thoughts and views and find the information you need. You can use it on your iPhone, allows you to speak with any other softphone, any stand-alone IP-phone, or using Internet Telephony Service Provider (ITSP) with any traditional wired or mobile phone. It supports SIP and is fully inter-operable with most major VOIP vendors and ITSPs. Features:Support platforms: iPhone5 and iOS 8.0+ Full SIP compliance: RFC3261 Support servers: Open SER, SER, Asterisk, Portaone, Radvision, Nortel, Avaya and other standard SIP Platforms. Audio call: AMR-NB, AMR-WB,G.711 aLaw/uLaw, G729,iLBC,GSM,Speex-NB,Speex-WB,OPUS Calling features: mute speaker. mute microphone. Call Transfer. Conference. Hold/unHold. SIP SIMPLE support. DTMF support: Send DTMF tone(RFC2833).SIP INFO. Other features: Silent Ringtone Acoustic Echo Cancel Voice ActivityDetector STUN support

This is an original instant messaging software with stable performance and comprehensive functions. It features: 1. High availability: the server does not need to be restarted for half a year, and automatic load balancing 2. Full functions: mainstream IM has all the functions, and we have none 3. Private cloud: support private deployment and deep customization, not controlled by others 4. High security: communication protocol adopts high-strength encryption algorithm, and chat records are not leaked 5. High freedom: the user-defined protocol is simple and clear, and there are no more restrictions 6. High speed: Based on protobuf's binary byte format, the package is very small, the data volume is small, the transmission speed is fast, and the bandwidth occupation is low 7. High concurrency: the measured concurrency is more than 30W, 2-5 times that of general IM, and supports hundreds of millions of users when clustering 8. Support appointment meeting, voice conference, video conference, shared desktop, text chat in the meeting, member management, etc Specific functions include: 1. Address book, supporting friend verification or not, QR code, tag grouping, blacking, my colleagues, official account, multi sign on, my mobile phone sending messages to my computer, etc 2. Single chat, support message receipt, burn after reading, display read, message interference free, top setting, withdrawal, video chat, search chat record, etc 3. Group chat, support announcement, @ group members, group sharing, group entry verification, group nickname, group management, number of readers, video conference, etc., support 10000 people 4. Message, support long text, picture, audio recording, video recording, business card, location, animation, file, red envelope, screenshot and other types 5. Privacy, delivered, read, burned after reading, end-to-end encryption, private group, non-public group members and other features are exclusive