What is the difference between PBX and DID?

Can someone tell me what is the difference between PBX and DID?

Technowise305 pointsBadges:

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ITKE1,123,955 pointsBadges:

Will the existing phone number change if we add new PRI Lines?

Hello, Currently we have 12 Analog phone lines from a provider and we are planing to add new PRI line from them. So I want to know whether the existing phone number will be changed if we are getting new PRI lines  What will happen to existing analog telephone line when we are taking new PRI Lines?

madhan32125 pointsBadges:

Unified Communications product qualification flow

I want to know how to build a set of UC product, like Plantronics UC wireless headset system voyager Pro UC. Maybe the product adapt to Microsoft® Office Communicator 2007. My question is: How to qualify this product? Must it get some UC qualifications? Is there some UC compliance? What's the...

Springsummer5 pointsBadges:

Telecommunications puzzle

I am a land surveyor in the process of relocating my business. I want to have internet, phone (I'm out in the woods so I'll need a cell also), communication of data from remote locations, I guess some clients may still need faxes. We got rid of our (Home land line) still have the biz land line for...

Michael Tidmarsh65,655 pointsBadges:

WAN connections through one ISP

Hi, I have newly joined an AUTOMOBILE company as an IT supervisor. We have about 10 branches connected with each other thru different WAN connections (Leased line,MPLS,VPN over DSL,..etc) and with different service providers. Our ERP system is based in Head Office and the DMS (Dealer management...

Nmas5 pointsBadges:

VOIP and Routing Question

Please advise. We have a branch office with a Cisco 3560 48/port POE switch. The branch office has 20 users in VLAN 1. The switch interfaces with a Cisco 2811 router. The router has a T1 point to point to our main office. We are putting in VOIP so each user has a phone -> PC. How would I...

Dprattmcse5 pointsBadges:

Speed benefits of MPLS and reasons

We have just finished migrating over to our parent companies domain. We are now on their exchange and are updating and moving domain data back and forth. We are upgrading to a 50/10mps cable line but are getting some pressure to spend about 12000 dollars per year for a MPLS line. What are the...

swinehart68031,050 pointsBadges:

Where to obtain telecom certifications

Where is the best place to obtain specific certs in telecom management?

GuruConnector5 pointsBadges:

What is the use of Cisco certifications in telecom industry

Dear sir/madam, I'm currently working in a leading telecom operator in India (AIRTEL) for the last 6 months. I have done my graduation in electronics and communication engineering. I have experience in SDH optical networks connection and maintenance (mixes of Alcatel, Nortel, ECI). What I want to...

Telecomengineermanik5 pointsBadges:

New interactive technology and knowledge

How to use effectively new interactive technology for knowledge distribution and sharing ideas between professionals organizations and colleagues?

Rusicom5 pointsBadges:

My system is hanging after clicking my internet client

Within 2-3 min the system is hanging. I did low level format and tried to connect but the problem is same. I changed the RAM and operating system (almost everything). My ISP is a MNC (they are saying that we use high end routers and firewalls to protect from virus, we are giving assurance that...

5749535 pointsBadges:

What is a Nortel FastRad?

I have the pleasure of installing a Nortelplus Phone system. Someone boxed it up and so far so good. In the pile of stuff is a Norstar FastRAD, it's about 5"x7" has a low voltage plug, a reg. phonejack plug and a 9-pin computer cable jack. I have no idea where it goes or what it does? Thanks,...

Newline4you10 pointsBadges:

Routing Public Emergency Calls Based on Cell of Origin

Is it possible to route emergency calls based on the Cell of origin? In a private network, there is one subscriber who wants all emergency calls originating in one specific area to be routed to a special emergency desk. All other emergency calls within the network would be routed to a different...

Amawhinn15 pointsBadges:

Upgrading to VOIP

Hi, Currently i am using PBX system for my main office telephony. We have got four branch in europe. and main office based in UK. We are looking something like: when one of the phone call comes in from the external world we would like to redirect them to the appropriate branch in europe. Thats mean...

25iplu5 pointsBadges:

Calculating latency and Jitter for VoIP

How do i calculate latency and Jitter for VoIP. I will just be logging into a Cisco router and from that how do I calculate Latency and Jitter. Is there any command line interface which will give this. Please do help me. Thank you.

Sachindabu35 pointsBadges:

Video Streaming Has Become Stuttery?

THIS IS DRIVING ME BONKERS!!! Over the past couple of days or so, after restarting my laptop and I try to watch a movie online it works fine, on ANY video streaming websites. (I.E: YouTube, Facebook, etc). But as soon as I try to watch a second movie clip, on the same webpage, using the same tab...

AMate2Talk25 pointsBadges:

Test cases for Ethernet switches

I'm working on a project which is on the Ethernet switch. I'm totally new to it. Could you help me with access control lists (ACL), Quality of Service (QoS), and packet filtering concepts in detail? I find it difficult writing test cases for it.

NetworkingATE1,545 pointsBadges:

What is Primary Rate Interface?

Can someone explain what is a Primary Rate Interface?

Lxj5 pointsBadges:

Who offers the best IT/business alignment advice on Twitter?

Who is offering good advice on aligning IT with business on Twitter? Companies, practioners or consultants are welcome!

Michael Morisy8,658 pointsBadges: