You can make the intercom more restrictive by using the extended DTMF digitsĪ–D as part of the intercom phone number. Put the intercom numbers into the Cisco CME system directory or speed-dial Lines from any phone, not just the phones configured for intercom. This means that you can dial into the intercom Dialable and Private IntercomsĪll the previous intercom examples in this chapter show intercoms configured The executive's phone simply rings as for a normal call. Presses the intercom line, the phone still autodials the executive's Only the assistant's phoneĪutoanswers incoming calls presented to its intercom line. With this arrangement, you still have a direct one-to-one dedicated lineīetween the executive and the assistant.

Intercom 1110 label Intercom no-auto-answer Example 5-23 One-to-One Intercom router# show running-config One-to-one intercom is to use the noautoanswer command option,Īs shown in Example 5-23. You can use this technique to configure a one-way intercom even in a simple When theĪssistant presses the intercom button, he or she hears busy tone. This is done by configuring the intercom line to autodial itself. In the previous many-to-one intercom example, you saw that theĪssistant's intercom is configured as a one-way or receive-only intercom. TheĪssistant's phone could also be configured to autodial one of the It is not possible to create a one-to-many intercom path. Note that the assistant's intercom (ephone-dn 5) is set to autodial Of course, only one intercom conversation can exist at one time. Any of theĮxecutives can press the button 2 intercom on his or her phone to talk to theĪssistant. This configuration provides a many-to-one intercom. Three executive phones are configured to intercom to the assistant's Phones has its primary line associated with button 1. The fourth phone, ephone 15, belongs to the assistant. In Example 5-22, ephones 12 to 14 belong to the three executives 2101 toĢ103. Example 5-22 Shared-Line Intercom router# show running-config

Useful when you have a single shared assistant working for multiple executives,Īs shown in Example 5-22. This arrangement lets you create a many-to-one intercom, which is The incoming intercom does not perform any type ofĬross-check on the calling party to ensure that it matches the outgoing intercomĭestination. In the previous example you saw that an intercom line autoanswersĪny incoming call. Microphone and, therefore, cannot be unmuted without lifting the phone's These phones do not have a built-in (hands-free) General, using intercoms on single-line phones such as the Cisco 7910, 7905, andħ912 is not recommended. Intercoms per phone is limited only by the number of available buttons. Individual phones may have more than one intercom. Intercom to Jane, and Jane can intercom to John. Autoanswer can be disabled if desired using theĮxample 5-21 shows a fully symmetric two-way intercom arrangement. The defaultĬonfiguration for an intercom line is that it autoanswers with mute for any Phone and shows the label 'John' next to the button. Jane's phone is configured to match to John's phone. The intercom lines are configured in the default single-line mode. 'Jane' to show that pressing the button intercoms to Jane. Set to autodial Jane's phone using the number 1111. Button 2 on John's phone is an intercom line. John's phone has button 1 as his primaryĮxtension line. Example 5-21 Intercom Lines router# show running-configĮxample 5-21 shows two phones. The intercom CommandĮxample 5-21 shows a configuration of an intercom between two IP phones. To the intercom, the recipient simply presses the mute button to unmute theĪudio path back to the originator. The audio path is open from the initiator to the receiver.

It alsoįorces the speakerphone to mute to protect the privacy of the intercom The call and activates the phone in speakerphone mode and sounds a beep. Receives the incoming intercom call on its intercom line. Pressing the intercom line button selects the lineĪnd triggers the autodial function toward the second phone. To create an intercom you assign a line button on each of the two phones to

Autoanswer-with-mute at the receiving end.

Autodial at the initiating end of the intercom.

You can even operate an intercomĪcross a VoIP connection using either SIP or H.323. Phones that support speakerphone operation. You can create an intercom arrangement between any two (multiline) IP Cisco CME supports single-button push-to-talk and push-to-respond intercom

Analogsingle button push to talk phone