c2dm SignUp Problem

[Tester Dev]

we have used following link for Android Client and Third Party Server for push notification.

http://www.ipragmatech.com/power-mobile-app-android-push-notification-c2dm.html

we successfully build the code for android and server (tomcat).

When server push the request to c2dm , it received the Response from post call is  HTTP/1.1 401 Unauthorized.

We searched regarding the error from the below link .

https://groups.google.com/forum/?fromgroups=#!topic/android-c2dm/9X4KwsvDNCg

http://sagittech.blogspot.com.es/2011/10/how-to-send-mobile-notifications-using.html

But we could not found where the Sign up for C2DM exactly.

[Tester Dev]

when i am going to signup through the url http://code.google.com/android/c2dm/signup.html
it automatically redirected to https://developers.google.com/android/c2dm/index.
Please somebody help me how will i able to Sign up for C2DM.

[Guillaume Perrot]

C2DM is deprecated and you can't sign up anymore.

Only existing accounts have access to this API.

C2DM has been replaced by GCM, which has a different set of URL, documentation and Google Group.

Just read the red warning after you are redirected, everything is explained from there.