Voice over IP

I am confused about when to use the Attempt Transfer to vs. Send Greetings for options in Unity. I am looking to transfer from Call Handler to Subscriber, from Call Handler to Call Handler and from Call Handler to the IVR.

Can anyone give me some ideas on integrating a nortel succession and nortel phones with Cisco Switches.Any sample QOS scripts would be appreciated.

Hello, All.I have a strange problem with AS5350.IOS 12.3(4)T, 128MB DRAM, 4xE1, 60 DSP.2xE1 merged in Multilink Interface with PPP encapsulation and 2xE1 linked with SI2000 telephone switch (1 E1 - pri, 1 E1 - r2 digital).controller E1 2/1 framing NO...

I am wondering what are the power reuirments for the 3550 in order to support VOIP? How many 7960 phones can I have on either a 24 or 48 port switch and what are the power reuirments for the switch in order to support voice. and data traffic?

Hi! Need a recommendation of which IOS version to use for a 3560 w inline power to be used with ip telephony. Also does the ip phones work well with duplex set to auto?

I have non-Cisco IP phones that automatically mark the IP packets for diffserv. The packets pass through several routers which I have configured to give voice priority over data. I have a Cisco as the central router. Is it possible to utilize diff...

Is possible to have a remote Alcatel digital phone 4035 and a local PBX Alcatel 4400 connected by a WAN LINK with Cisco router and T-CCS signaling?regardsgianrico ficheraitesys srl

Hi! If I have both a normal main number and also an 1-800 number for incoming calls. How do I configure the 800 number so that it works in the IPT envíronment. Is it a translation pattern in Call Manager only or do I also need to change the Dial Peer...

I would like to connect two (Mitel) PBX's with a VOIP. Can this be done? Can multiple PBX's be connected to one PBX? Thanks, Kevin

When running my CallManager backup, some files are not copied to the staging file.I get the message..Failed to copy c:\program files\Cisco\Tftppath\xxxxxx file not copied to destination folderAny idea why?

Could someone tell me if TOS markings are kept when IP traffic goes through the PIX? Specifically between the inside interface and a DMZ interface. I'm assuming that that PIX does not support any form of QoS at the moment as there's no documentation ...

Thinking about implementing T-CCS and pegging up two T1's because remote Audix has problem with D channel on our PRI's. Don't want to dedicate T1 for this. Does anyone have any experience with this problem?

I have CCM and Unity express configured on a 2600 router with a 2 port FXO card for PSTN calling. Outbound calling from a VoIP phone works fine. However, inbound is not working so well. One of my phone numbers is 555-1000. If I dial that number from ...

Dear All,I've been using CiscoWorks2000 Voice Manager 2.3 and while monitorning the active calls i see the Early Packet Counter is counting Early Packets it is not much but i would like to know what does it mean?!! and how can i make sure that it wil...