Compare SIP SDK/library features by license type:
| Features |
Basic |
Advanced |
Gold |
| 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 |
| AI Integration: |
no |
yes |
yes |
| Server UAS: |
no |
yes |
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 comparison highlights key features across our VoIP SDKs and libraries, with a focus on those affected by licensing. For the complete list of supported features, please refer to the product homepage and documentation.