3.61 User-to-user information The format of the user-to-user information parameter is shown in Figure 58. 8 7 6 5 4 3 2 1 1 . . User-to-user information . n Figure 58/Q.763 - User-to-user information parameter field The format of the user-to-user information parameter field is coded identically to the protocol discriminator plus user information field described in Recommendation Q.931.