| Features |
IM |
IMP |
LE |
EP |
| Participant Limit |
125 |
125 |
125 |
None! |
| Time Limit |
None! |
None! |
None! |
None! |
| Instant, On-Demand Conferencing |
Yes |
Yes |
Yes |
Yes |
| Permanent Toll-Free Numbers and Passcodes |
Yes |
Yes |
Yes |
- |
| Telephone Keypad Command Control |
Yes |
Yes |
Yes |
Yes |
| Conference Coordinator Available |
Yes |
Yes |
Yes |
Yes |
| Lecture Mode |
Yes |
Yes |
Yes |
Yes |
| Add Participants On-The-Fly |
Yes |
Yes |
Yes |
Yes |
| Operator Required |
No! |
No! |
No! |
Yes |
| Conference Record |
- |
Yes |
Yes |
Yes |
| Conference Playback |
- |
Yes |
Yes |
- |
| Automated Accounting |
- |
Yes |
Yes |
- |
| Q&A |
- |
- |
- |
Yes |
| Polling |
- |
- |
- |
Yes |
| Audio Streaming |
- |
- |
- |
Yes |
| Translation Services |
- |
- |
- |
Yes |
| Broadcast Fax |
- |
- |
- |
Yes |
| Transcription |
- |
- |
- |
Yes |
| Remote Replay |
- |
- |
- |
Yes |
