SDK Features

Compare SIP SDK features by license type:

Features Basic Advanced Gold
Max. nr. of users: 50 unlimited unlimited
Max. nr. of SIP servers: 1 4 10 or more
White-label/Branding: yes yes yes
In/out SIP calls: yes yes yes
Basic features (mute, hold, re-invite, etc): yes yes yes
Advanced NAT traversal: no yes yes
Caller-ID: yes yes yes
Chat: yes yes yes
Redial: yes yes yes
Hold, transfer, forward: yes yes yes
Call park and barge-in: no no yes
Conference: no yes yes
Balance and rating display: no yes yes
Codec: G.711, GSM +G.729, Speex, Opus all
Wideband/HD audio: no yes yes
DTMF: yes yes yes
Enhanced voice processing: no yes yes
Voice recording: no yes yes
Encryption (TLS, SRTP, tunnel): no yes yes
 no  no  yes 
Presence: no yes yes
BLF: no yes yes
 no   yes   yes 
Multi-lines: yes yes yes
Multi-accounts: no yes yes

This is not a a list of all supported features, only those affected by the licensing. See the software home page or the documentation for the full list of features.

*"Max nr. of users" means different devices where the SDK will be used (usually the number of people using the software)
*"Max nr. of SIP servers" means different SIP servers (softswitch / IP-PBX / SIP proxy) configured for the SDK as registrar and for outbound/inbound calls (usually by the "serveraddress" parameter)

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