android - how much time GCM CCS wait for an acknowledgement from an XMPP server before retrying for the same message? -


i have xmpp server receive message android devices through gcm. if gcm sends message server , server doesn't send acknowledgement after receiving message, how time gcm take resend same message?

if don't send ack message, ccs resends the next time new xmpp connection established, unless message expires first.

source: https://developer.android.com/google/gcm/ccs.html#format


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