Zoiper 3 |
Zoiper 5 |
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Protocols |
Free |
BIZ |
Free |
PRO |
SIP |
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IAX |
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Desktop platforms |
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MS Windows |
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macOS |
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Linux |
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General Features |
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Voice calls |
(2 calls) |
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Video calls (SIP) |
Z |
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IM (SIP) |
Z/xmpp |
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Presence (SIP) |
xmpp |
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Telephony features |
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Automatic account registration |
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Showing DNIS/DNID number |
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Ignore call function |
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Call forwarding |
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Unattended transfer |
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Attended transfer |
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Auto-answer |
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Auto-answer (server side) |
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Call recordings |
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Conference host (SIP) |
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Callto ://URL protocol |
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Auto-opening of incoming URL (IAX) |
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Opening of a URL on pre-set call events |
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Command-line dialing |
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Voice mail |
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Contact management features |
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Outlook integration plug-in (Windows 32-bit, 64-bit) |
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Outlook contact sync (Windows 32-bit, 64-bit) |
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macOS Address book integration |
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LDAP contact service |
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CSV contact list import |
Import only |
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Instant contact search |
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Instant adding of contacts |
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Avatars per contact |
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Video features (SIP) |
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Video codec H.264 |
Z H263+ |
Z H263+ |
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Video codec VP8 |
OEM | |||
IM Features (SIP) |
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Incoming IM notification |
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SMS |
OEM |
OEM |
OEM |
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Interface features |
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Multilanguage support |
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Optional auto-pop-up-window on incoming call |
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Always on top |
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Minimize on start up |
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Minimize to tray |
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Security features |
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TLS support with SIP |
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TLS with SRTP support (SIP) |
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Custom path to TLS certificate |
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Account password encryption |
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HTTPS/SFTP configuration |
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Network features |
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STUN support (SIP) |
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STUN server per account (SIP) |
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TCP support with SIP |
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Network-change detection |
Win, Mac |
Win, Mac |
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Engine features |
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Echo cancellation |
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Adaptive Jitter Buffer |
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Packet Loss Concealment |
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Auto Gain Control |
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Noise reduction |
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Audio codecs: Opus, G.722, G.726, GSM, Speex, iLBC, G.711 (ulaw, alaw) |
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Support for G.729 audio codec |
On demand |
On demand |
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Codec priority settings |
OEM |
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Codec settings per account |
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Outband DTMF tones sending |
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Inband DTMF |
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Unlimited accounts |
1 |
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1 Account |
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Supported number of lines |
Unlimited |
Unlimited |
2 lines |
Unlimited |
Integration tools |
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API |
(COM) |
Coming soon |
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Features restrictions and behavior rules |
(XML) |
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Auto-provisioning (HTTP, HTTPS, SFTP and FTP) |
(XML) |
(XML) |
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Complete SDK |
OEM |
OEM |
OEM |
OEM |
Click-to-dial for Firefox, Chrome, IE, Edge, Safari |
OEM |
OEM |
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CRM integration (click-to-dial) |
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Vicidial |
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CallPro |
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Nimble |
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Freshdesk |
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SalesForce |
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Devices support |
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HID |
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Jabra |
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Plantronics |
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Sennheiser |
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Third party plugins |
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Customization |
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Custom interface |
OEM |
OEM |
OEM |
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Branding |
OEM |
OEM |
OEM |
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