Compare webphone features by license type:

Features	Basic	Standard	Advanced	Gold
Max. nr. of users:	50	100	unlimited	unlimited
Max. nr. of SIP servers:	1	1	4	10 or more
VoIP Engines:	java only	webrtc,native	all	all
Platforms:	intranet	desktop	desktop,mobile	desktop,mobile
Branding:	yes	yes	yes	yes
In/out SIP calls:	yes	yes	yes	yes
Basic features (mute, re-invite, etc):	yes	yes	yes	yes
Advanced NAT traversal:	no	yes	yes	yes
Caller-ID:	yes	yes	yes	yes
Chat:	no	yes	yes	yes
SMS via API:	no	no	no	yes
Redial:	yes	yes	yes	yes
Hold, transfer, forward:	no	yes	yes	yes
Call park and barge-in:	no	no	no	yes
Conference:	no	no	yes	yes
Balance and rating display:	no	no	yes	yes
Codec:	PCMU,PCMA	+GSM,Speex	+G.729,Opus	All
Wideband/HD audio and stereo:	no	no	yes	yes
DTMF:	yes	yes	yes	yes
Enhanced voice processing:	no	yes	yes	yes
Voice recording:	no	no	yes	yes
Encryption (TLS, SRTP, tunnel):	no	no	yes	yes
P2P:	no	no	no	yes
File transfer:	no	no	yes	yes
Presence:	no	no	yes	yes
BLF:	no	no	yes	yes
Video:	no	no	yes	yes
Screen sharing:	no	no	no	yes
Multi-lines:	no	yes	yes	yes
Multi-accounts:	no	no	yes	yes
Contact management:	no	no	yes	yes

See the documentation for the full list of features. Extra features not listed here are available in all versions.

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