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Posted Aug 28, 2009
9:35:21 AM
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LINUX PPP AND APNs

We have a customer with a Ubuntu LINUX PPP application that wants to use the device as they travel the globe. The device uses a AT&T SIM and a Sierra Wireless 888 modem. Today the customer is US only and we use:

 

APN=ISP.CINGULAR

USERID=ISP@CINGULARGPRS.COM

PW=CINGULAR1

 

The question we have is do we need to change the login APN etc.. for each and every country? For example, the user travels to the UK and we query the network and detect  - MCC=234 (UK) and MNC=15 (Vodaphone) do I need to change my APN, USERID, and PASSWORD as follows:

APN=internet


USERID=web

PW=web (assume these are the correct credentials for UK Vodaphone)

Or will the AT&T credentials work? If they work is that only with roaming partners? If so, where can I get a list?

 

I am also concerned with countries such as Germany, Netherlands, etc.

Thank you,

Tom

We have a customer with a Ubuntu LINUX PPP application that wants to use the device as they travel the globe. The device uses a AT&T SIM and a Sierra Wireless 888 modem. Today the customer is US only and we use:

 

APN=ISP.CINGULAR

USERID=ISP@CINGULARGPRS.COM

PW=CINGULAR1

 

The question we have is do we need to change the login APN etc.. for each and every country? For example, the user travels to the UK and we query the network and detect  - MCC=234 (UK) and MNC=15 (Vodaphone) do I need to change my APN, USERID, and PASSWORD as follows:

APN=internet


USERID=web

PW=web (assume these are the correct credentials for UK Vodaphone)

Or will the AT&T credentials work? If they work is that only with roaming partners? If so, where can I get a list?

 

I am also concerned with countries such as Germany, Netherlands, etc.

Thank you,

Tom

LINUX PPP AND APNs

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Aug 28, 2009 1:32:20 PM
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tbuttsflusa wrote:

We have a customer with a Ubuntu LINUX PPP application that wants to use the device as they travel the globe. The device uses a AT&T SIM and a Sierra Wireless 888 modem. Today the customer is US only and we use:

 

APN=ISP.CINGULAR

USERID=ISP@CINGULARGPRS.COM

PW=CINGULAR1

 

The question we have is do we need to change the login APN etc.. for each and every country? For example, the user travels to the UK and we query the network and detect  - MCC=234 (UK) and MNC=15 (Vodaphone) do I need to change my APN, USERID, and PASSWORD as follows:

APN=internet


USERID=web

PW=web (assume these are the correct credentials for UK Vodaphone)

Or will the AT&T credentials work? If they work is that only with roaming partners? If so, where can I get a list?

 

I am also concerned with countries such as Germany, Netherlands, etc.

Thank you,

Tom


The credentials are specific to the SIM, not roaming partner. Unless you switch from AT&T SIM to a different SIM in UK those same credentials will work just as if you were in US (albeit at a completely different price). As long as AT&T lists roaming data as available here (select country and click details button) you should be fine.


tbuttsflusa wrote:

We have a customer with a Ubuntu LINUX PPP application that wants to use the device as they travel the globe. The device uses a AT&T SIM and a Sierra Wireless 888 modem. Today the customer is US only and we use:

 

APN=ISP.CINGULAR

USERID=ISP@CINGULARGPRS.COM

PW=CINGULAR1

 

The question we have is do we need to change the login APN etc.. for each and every country? For example, the user travels to the UK and we query the network and detect  - MCC=234 (UK) and MNC=15 (Vodaphone) do I need to change my APN, USERID, and PASSWORD as follows:

APN=internet


USERID=web

PW=web (assume these are the correct credentials for UK Vodaphone)

Or will the AT&T credentials work? If they work is that only with roaming partners? If so, where can I get a list?

 

I am also concerned with countries such as Germany, Netherlands, etc.

Thank you,

Tom


The credentials are specific to the SIM, not roaming partner. Unless you switch from AT&T SIM to a different SIM in UK those same credentials will work just as if you were in US (albeit at a completely different price). As long as AT&T lists roaming data as available here (select country and click details button) you should be fine.

*The views and opinions expressed on this forum are purely my own. Any product claim, statistic, quote, or other representation about a product or service should be verified with the manufacturer, provider, or party.

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