3.59 User teleservice information The format of the user teleservice information parameter field is shown in Figure 56. This format is the same as the High layer compatibility information element from Recommendation Q.931 and not all capabilities coded here are supported at this time. 8 7 6 5 4 3 2 1 1 1 ext. Coding standard Interpretation Presentation 2 0/1 ext. High layer characteristics identification 3 1 ext. Extended high layer characteristics identification Figure 56/Q.763 - User teleservice information parameter field The codes to be used in the user teleservice information parameter field are defined in the High layer compatibility information element in Recommendation Q.931.