Cisco SRP521W-K9-G1 Administration Guide - Page 98

6 98 Configuring Voice Managing Caller ID Services There are three types of Caller IDs: • On Hook Caller ID Associated with Ringing-Type of Caller ID is used for incoming calls when the attached phone is on hook. See the following figure (a) - (c). All CID methods can be applied for this type of CID. • On Hook Caller ID Not Associated with Ringing-Used to send VMWI signal to the phone to turn the message waiting light on and off (see Figure 1 (d) and (e). This is available only for FSK-based CID methods: (Bellcore, ETSI FSK, and ETSI FSK With PR). • Off Hook Caller ID-Used to deliver caller-id on incoming calls when the attached phone is off hook (see the following figure). This can be call waiting caller ID (CIDCW) or to notify the user that the far end party identity has changed or been updated (such as due to a call transfer). This is available only for FSK-based CID methods: (Bellcore, ETSI FSK, and ETSI FSK With PR). a) Bellcore/ETSI Onhook Post-Ring FSK First Ring b) ETSI Onhook Post-Ring DTMF First Ring c) ETSI Onhook Pre-Ring FSK/DTMF Polarity Reversal CAS (DTAS) d) Bellcore Onhook FSK w/o Ring OSI e) ETSI Onhook FSK w/o Ring Polarity Reversal CAS (DTAS) f) Bellcore/ETSI Offhook FSK CAS (DTAS) Wait for ACK FSK DTMF DTMF/ FSK FSK FSK FSK First Ring 245557 Cisco SRP500 Series Services Ready Platforms Administration Guide (SRP520 Models)