Each E&M interface in Telesis systems can be programmed for one of the following signaling types:
- Pulsed line with decadic-address signaling
- Continuous line with DTMF, MFCR2, MFR1 register signaling
- Signaling types widely employed in CIS countries:
- ANI detection and query
- Address signaling
- Dial-Pulse
- MFC-R1.5
- Pulse-Packet-1
- Pulse-Packet-2
- Pulse-Packet-3a
- Pulse-Packet-3b
- Line signaling
