NO CARRIER as Answer to Config Request

Hello All

I’ve got a Problem: I’m using the HILOV2 Modem on an evalboard in combination with a ST ARM3 CPU. At this point I’m trying to establish a communication with my provider. For This purpose I’ve set up a ppp communication, I quiet shore that this communication works: Here are some sequences of my debugoutput from my System:

Serial Input: 0h7e - ~
Serial Input: 0hff - ÿ
Serial Input: 0h3 -
Serial Input: 0hc0 - À
Serial Input: 0h23 - #
Serial Input: 0h2 -
Serial Input: 0h3 -
Serial Input: 0h0 -
Serial Input: 0hd -
Serial Input: 0h8 -
Serial Input: 0h4c - L
Serial Input: 0h6f - o
Serial Input: 0h67 - g
Serial Input: 0h69 - i
Serial Input: 0h6e - n
Serial Input: 0h20 -
Serial Input: 0h4f - O
Serial Input: 0h4b - K
Serial Input: 0hdc - Ü
Serial Input: 0hde - Þ
Serial Input: 0h7e - ~
001.7 PPP:*** Processing frame ***
001.7 PPP: Protoc: PAP
001.7 PPP: Length: 17 bytes
001.7 PPP:*** Processing PAP frame ***
001.7 PPP: Code : Auth_Ack
001.7 PPP: Id_Val: 0x03
001.7 PPP: Length: 13
001.7 PPP: Login Success
Modem Online
Modem Online
001.8 PPP:IPCP Send Config Request
001.8 PPP: IP Address: 0.0.0.0
001.8 PPP: Prim. DNS : 0.0.0.0
001.8 PPP: Sec. DNS : 0.0.0.0
001.8 PPP:Sending IPCP frame
001.8 PPP: Code : Conf_Req
001.8 PPP: Id_Val: 0x04
001.8 PPP: Length: 22
001.8 PPP:Sending frame
001.8 PPP: Protoc: IPCP
001.8 PPP: Length: 26

After this sequence I try to receive my IP and stuff form my Provider

001.8 PPP:IPCP Send Config Request[/b][/b]
001.8 PPP: IP Address: 0.0.0.0
001.8 PPP: Prim. DNS : 0.0.0.0
001.8 PPP: Sec. DNS : 0.0.0.0
001.8 PPP:Sending IPCP frame
001.8 PPP: Code : Conf_Req
001.8 PPP: Id_Val: 0x04
001.8 PPP: Length: 22
001.8 PPP:Sending frame
001.8 PPP: Protoc: IPCP
001.8 PPP: Length: 26
Modem Online
Serial Output: 0h7e - ~
Serial Output: 0hff - ÿ
Serial Output: 0h3 -
Serial Output: 0h80 - €
Serial Output: 0h21 - !
Serial Output: 0h1 -
Serial Output: 0h4 -
Serial Output: 0h0 -
Serial Output: 0h16 -
Serial Output: 0h3 -
Serial Output: 0h6 -
Serial Output: 0h0 -
Serial Output: 0h0 -
Serial Output: 0h0 -
Serial Output: 0h0 -
Serial Output: 0h81 - 
Serial Output: 0h6 -
Serial Output: 0h0 -
Serial Output: 0h0 -
Serial Output: 0h0 -
Serial Output: 0h0 -
Serial Output: 0h83 - ƒ
Serial Output: 0h6 -
Serial Output: 0h0 -
Serial Output: 0h0 -
Serial Output: 0h0 -
Serial Output: 0h0 -
Serial Output: 0hb2 - ²
Serial Output: 0h31 - 1
Serial Output: 0h7e - ~
Modem Online
Modem Online
Modem Online
Modem Online
Modem Online
Modem Online
Serial Input: 0hd -
Serial Input: 0ha -

Serial Input: 0h4e - N
Serial Input: 0h4f - O
Serial Input: 0h20 -
Serial Input: 0h43 - C
Serial Input: 0h41 - A
Serial Input: 0h52 - R
Serial Input: 0h52 - R
Serial Input: 0h49 - I
Serial Input: 0h45 - E
Serial Input: 0h52 - R
Serial Input: 0hd -
Serial Input: 0ha -

Modem Online
Modem Online
002.1 PPP:Modem offline, shutting down
002.1 PPP:LCP Init
002.1 PPP:PAP Init
002.1 PPP:IPCP Init
Modem Hangup

As you can see this doesn’t work. The answer form my Provider is NO CARRIER, although I’am already connected via ppp with my provider. Has anybodoy any Idea? I think it must be a configuration problem with my Modem…

Here is my configuration:

ATZ\r
ATE0\r
AT+CGDCONT=1,“IP”,“gprs.swisscom.ch”,“0.0.0.0”,0,0\r
ATDT*99#

hi,
where are you giving this commands? in hyperterminal?
Is it working with PPP dial up utility of windows?

Regards,
Alex

Hi Rex_alex

No this is my debug window from the keil uV4. It’s working with the ppp dial up function of the Keil Library…
Any Idea why a NO CARRIER response could appear at this point?