The person's BlackBerry device might be turned off, the person might not have responded to your invitation, or the person might have ignored your invitation.
To view your pending invitations, complete the following:
If an invitation remains in your Sent list for a long time, you can delete it. Just touch and hold the invitation and tap .
Applications might ask for permission to connect to BBM. If you grant permission, you can chat from within the BBM connected app, update your status, and share your activities and achievements on your BBM profile.
To change your options for BBM connected apps, complete the following: