Questions tagged [t1]

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2 votes
2 answers
275 views

VOIP T1 vs Fiber

Currently using a T1 (1.544Mbps) for what I think is pricey sum of 500 a month. Found I could get 30/30 fiber for about the same price. Would there be any downside to switching to fiber, I would think ...
4 votes
2 answers
378 views

Should Server Internet Connection be based solely on Internet Speed?

We are running our own server and our country's ISP is telling us that we should run it with their T1 Copper Line with 2mb DL & UL. Right now it is running on a Fiber Line with 8mb DL & UL. ...
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-1 votes
1 answer
48 views

configure two routers to one T1

We have a router hooked up to our T1, and the router went down the other day and caused our phones to go down so i had an idea to use a backup router. I know very little about networking. Is it ...
1 vote
0 answers
52 views

Adding old T1s to a new configuration

As embarrassing as it is, my facility is running on two T1 lines. One connects us to AT&T and the other connects us directly to our corporate facility. This is a mirror of an old system we once ...
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44 votes
5 answers
11k views

What is a T1 in modern terms?

I often hear this term used "We have a T1"... used on SF and other sites. I googled it and it seems like an ancient technology possibly related to frame relay but I'm not sure. Maybe things have ...
  • 14.2k
3 votes
1 answer
1k views

Asterisk can't make nor receive calls through a T1 PRI interface to a Cisco 2430 router

I have an Asterisk 1.8 phone switch with a Digium T1 card. It runs using 5ESS PRI through our present phone provider without a problem. However, we're contemplating switching to Time Warner's fiber ...
3 votes
1 answer
325 views

Can't configure frame relay T1 on Cisco 1760

I am trying to configure a data T1 via a Frame Relay. The ISP provided me the following information: 1. IP address 2. Gateway address 3. Encapsulation Frame Relay 4. DLCI 100 5. BZ8 ESF (I think the ...
  • 131
1 vote
1 answer
480 views

Same network subnet across T1 or T3 leased lines?

Suppose I have a bunch of facilities, each with a /16 network under the 10.0.0.0/8 private address range. For example, my head office is 10.0.0.0/16, and we have two branches 10.1.0.0/16 and 10.2.0.0/...
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2 votes
2 answers
242 views

Can PRI be ran along side browser/VPN data on a Fiber Line?

Our business is looking to have a fiber line installed in place of our current set up of 3 T1 lines and a DSL line. Before I can eliminate all of the T1 lines, I need to know if the PRI, that I have ...
5 votes
6 answers
4k views

What's so special about leased lines (T1, DS3, etc)

I understand the theory of having "dedicated bandwidth" but why would a small/medium business purchase a leased line for access to the internet? In today's day and age residential grade connections ...
2 votes
2 answers
851 views

Cisco Serial vs T1/E1

I have a router and I have the chance to receive the WAN connection either from a Serial port (Smart Serial) or T1/E1. I have both cards for Serial and E1/T1 interfaces. I really don't know what are ...
  • 1,341
1 vote
1 answer
602 views

Ideas for adding a second internet connection to existing network?

I have a remote site with a T1 connection tied back to a main location. This provides access to the servers at the main location and also provides internet access via the main location. The problem ...
0 votes
1 answer
151 views

How to segregate network devices between several T1s and a Cable connection?

So, I'm working on setting up a call center. Our outbound calls will be going to an off-site dialer so they'll be going over the internet as data (VoIP?). Then we have our customer service department, ...
2 votes
1 answer
93 views

Questions and opinions of a Cable line with a back-up T1

My company currently has only a Covad T1 that connects the main office to the internet. This line is mainly for our billing office (located across the state) to connect to us for our Terminal Server. ...
  • 1,159
3 votes
3 answers
506 views

T1 versus Cable Modem

We've been using T1's for years and never changed the connection to a faster Cable Modem. I am concerned about support, return to service. I cannot find in legalese Cable vs T1's FCC Regulations SLA'...
1 vote
1 answer
279 views

Cisco 1760 T1 Setup

My 1760 has a WIC1-T1 card in Slot 0 and the slot 0 "OK" light is lit. When the router boots it shows that it sees the T1 card. I would like to configure my T1. I received the following details from ...
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0 votes
1 answer
1k views

Cisco E1/T1 Time Slot

What is exactly the Cisco's E1/T1 time slot? How do I configure them?
  • 1,341
0 votes
1 answer
722 views

Siemens se5940, Factory Reset? Reconfig?

I have inherited a Siemens se5940 T1 gateway that I would like to reset and put into use. I have been looking around for a manual but I'm not having much luck. Is anyone aware of a manual that can be ...
  • 233
-1 votes
1 answer
106 views

IP address advice

Currently, we have a T1 line and Comcast. The web traffic is mostly over Comcast while the email traffic is over the T1 line. We want to swap it. Is there an advantage to get multiple IP address ...
  • 483
0 votes
3 answers
3k views

T1 Line Proper Setup, Routers [closed]

I'm a webguy, not a server guy -- but I'm working in an office that just got a T1 line installed. It comes into the house via a glass covered box with Adtran logos on it with 4 ethernet sockets ...
  • 109
0 votes
4 answers
7k views

How many avg. users will a T1 line support?

The business incubator our company is enrolled in is moving to a new building. There has been talk about get a three T1 lines (4.5Mbps) as opposed to business class cable internet (10-50Mbps). How ...
  • 121
2 votes
1 answer
3k views

Simple point to point Cisco Router config for a T1

We recently started leasing a small new site and part of the agreement was to have the owner of the building provide a point to point link between our main site and this building and we would purchase ...
  • 1,844
2 votes
5 answers
2k views

Troubles setting up my new T1

I'm more of a web developer kind of guy with limited knowledge of networks, so if anyone can point in the right direction, I would be grateful. I am replacing my satellite connection with a T1 I got ...
3 votes
5 answers
2k views

Do I need a VPN to secure communication over a T1 line?

I have a dedicated T1 line that runs between my office and my data center. Both ends have public IP addresses. On both ends, we have AdTran T1 routers which connect to SonicWall firewalls. The ...
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1 vote
2 answers
256 views

CSU/DSU reccomendation

I need a CSU/DSU to terminate a T1 from our new ISP. It needs to support PPP encapsulation and must have an ethernet output so that we can connect it directly to a switch. What device would you ...
0 votes
1 answer
329 views

Is it a bad idea to run voice and data over the same bonded T1?

Currently we have a T1 which we use for both our voice and data. We are looking at getting a bonded T1 but have been told by the provider that it would be a bad idea to run both voice and data on a ...
1 vote
9 answers
2k views

Need solutions in sharing a 3Mb/768Kbps DSL line to 60+ users and faster bandwidth

Two parts. Part 1: We currently have 2 DSL Lines with 3Mb/768Kbps speeds load balanced for 60+ users. Accessing the Internet is borderline unusable. The simple solution would be to get a faster DSL ...
  • 79
1 vote
4 answers
479 views

ADSL to T1, Is it worth it for us?

The company I work for has roughly 45-55 simultaneous users (local and remote/VPN) logged in at a given time. We currently subscribe to an ADSL connection but we have been experiencing slower upload/...
user avatar
1 vote
2 answers
312 views

fax server farm architechture

I'm not sure this is the right forum for this, but it's not Stackoverflow so... I'm trying to figure out an architecture to solve the following problem, maybe someone here can help: I have a T1 ...
0 votes
1 answer
415 views

WiMAX vs a real T1

Our main office currently runs on an unreliable pair of bonded T1s in a somewhat remote area. Our lines have issues about 3 - 4 times a year (esp. after rain) which no one seems to be able to fix. Our ...
9 votes
5 answers
11k views

What benefits do a T1 line provide over "business-class" cable?

We are in a semi-rural area, so our internet connection options are pretty limited. We currently pay about $500/month for a dedicated T1 line at 1.5/1.5 Mbps from the local ISP. In comparison, Comcast ...