Compare SIP SDK/library features by license type:
| Features |
Basic |
Advanced |
Gold |
| Max. nr. of users: |
50 |
unlimited |
unlimited |
| Max. nr. of SIP servers: |
1 |
4 |
10+ or unlimited |
| 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 |
| Transfer, forward: |
yes |
yes |
yes |
| Call park and barge-in: |
no |
no |
yes |
| Conference: |
no |
yes |
yes |
| Balance and rating display: |
no |
yes |
yes |
| Vocemail (MWI): |
no |
yes |
yes |
| Codec: |
G.711, GSM |
+G.729, Speex, Opus |
All |
| Wideband/HD audio: |
no |
yes |
yes |
| Video (as-is): |
no |
yes |
yes |
| DTMF: |
yes |
yes |
yes |
| Enhanced voice processing: |
no |
yes |
yes |
| Voice recording: |
no |
yes |
yes |
| Local streaming (in/out): |
no |
yes |
yes |
| Encryption (TLS, SRTP, tunnel): |
no |
yes |
yes |
| P2P: |
no |
no |
yes |
| Presence: |
no |
yes |
yes |
| BLF: |
no |
yes |
yes |
| PUSH: |
no |
yes |
yes |
| 3PCC: |
no |
yes |
yes |
| SIPREC, 3GPP, USSD, ED-137: |
no |
no |
yes |
| Multi-lines: |
4 |
unlimited |
unlimited |
| Multi-accounts: |
no |
yes |
yes |
| Other standard features: |
yes |
yes |
yes |
| Other additional/extra features: |
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)