Expert Knowledgebase
Emerging Wireless Technologies (including VoIP) with Carrie Higbie
VoIP advantages
(21 JUN 2004)
Can you tell me what advantages VoIP will give me with my present set up - one building only, no other sites and at present very low telephone costs (i.e. outgoing traffic, etc.)
Starting PC to phone business
(21 JUN 2004)
I was wondering if you could point me to the right direction. If I want to start a PC to phone company where do I start? What do I need to keep in mind in terms of investment and people?
Any help would be gre...
When is H.323 or SIP used?
(21 JUN 2004)
When is H.323 or SIP used? Is it used just for IP telephony (IP phones and gatekeeper/call managers) or also with VoIP (I.E. regular phones to routers to WAN)?
Establish VoIP from my home DSL line
(21 JUN 2004)
I like to know if I am able to establish VoIP from my home DSL line. If I can than what equipment would I need to do that and what might it cost. I would be waiting for your reply very anxiously.
Voice over Frame Relay
(21 JUN 2004)
What are the main differences between VoFR and VoIP?
Connecting different types of PBXs together
(21 JUN 2004)
Let's say a prospect has branch offices around the world and wants to implement VoIP to cut toll charges for international calls and conferences; But, the existing PBXs in different countries have different Ven...
VoIP card that uses the SIP protocol
(21 JUN 2004)
Is there a VoIP card that uses the SIP protocol that can be used to plug a standard phone line into a standalone PC? Can you give me some tips for searching the Web to find these cards? I have found the VIC car...
Where can I learn more about VoIP
(21 JUN 2004)
We are in the process of deploying VoIP and I am looking for detailed information on the technology. Can you recommend a starting point?
Mid-range VoIP phones
(21 JUN 2004)
We are a small company with 10 stores. Our stores are going to be linked with cable or DSL, in an effort to create a WAN having a computer in each store, and a main computer at Headquarters. I can't justify bu...
What are the advantages and disadvantages between VoIP and TDMoIP?
(21 JUN 2004)
What are the advantages and disadvantages between VoIP and TDMoIP?
What is NFS?
(21 JUN 2004)
What is NFS and how is it different from normal file system?
Network solution for new calling card business
(21 JUN 2004)
I'm software engineer and my background is in application programming. We are looking to start a business making calling cards. We want to start as a mid-range provider, and as our traffic goes higher we're g...
Call analysis
(21 JUN 2004)
Which parameters should I take into consideration when I calculate the bandwidth of a channel that supports 10 calls simultaneously, using codec G.729b (VAD)?
Are there benefits to using VoIP over ATM and frame relay?
(21 JUN 2004)
Can you tell me if I use VOIP in a situation where ATM and frame relay are already used as WAN protocol with pvc too, will there be much benefit to my company? My company has many organization around the world ...
If the codec G.729 bit rate is 8 kbps, does it mean one way or two ways?
(21 JUN 2004)
If the codec G.729 bit rate is 8 kbps, does it mean one way or two ways?
How does VoIP technology differ from Voice and Data Convergence technology?
(21 JUN 2004)
How does VoIP technology differ from Voice and Data Convergence technology?
How can I implement VoIP using (2000 servers, Linux or ISA) instead of PBX?
(21 JUN 2004)
Could you offer me a guide on implementing VoIP in my office? I want to know how can I implement the software using (2000 servers, Linux or isa) instead of PBX.
With my VOIP provider can I use a switch or a router to connect to their adapter?
(21 JUN 2004)
With my VoIP provider can I use a switch or a router to connect to their adapter?
Multiline cell phones
(21 JUN 2004)
As there can be parallel connections of telephone line, is it possible to have same features in cell phone connection?
Looking for device to provide statistics for calling information
(21 JUN 2004)
I am looking for a device to provide statistics for calling information from my network. What should I be looking for?
Which backup technology is better - AIT or LDO?
(21 JUN 2004)
We are a small company made up of mainly Intel servers and a HP Alpha running OpenVMS. We are going to be putting out first SNA together soon. As part of this change to DAS to SAN, we want centralize our backup...
Where might I find multiple network diagrams for network solutions?
(21 JUN 2004)
Where might I find multiple network diagrams for network solutions?
Will MGCP supersede H323 as a standard for VoIP?
(21 JUN 2004)
Some time ago, I read something about MGCP protocol indicating that it would supersede H.323 as the standard for the VoIP industry. Is that correct? What is better?
G723.1 basics
(21 JUN 2004)
From where and on what basis does codec G723.1 get commands to use optional features such as post filtering, bit rate change, high pass filtering, etc. in VoIP applications.
Information on ENUM
(21 JUN 2004)
It was very interesting to know about ENUM. Out of curiosity and to know learn more about ENUM, could you please throw some light on this through your inputs and do you know of any Web sites related to this?
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