4.5.22 Notification indicator The purpose of the Notification indicator information element is to indicate information pertaining to a call. The Notification indicator information element is coded as shown in Figure 4-28 and Table 4-19. The maximum length of this information element is three octets. Bits 8 7 6 5 4 3 2 1 Octets Notification indicator 0 0 1 0 0 1 1 1 1 Information element identifier Length of notification indicator contents 2 1 ext. Notification description 3 FIGURE 4-28/Q.931 Notification indicator information element TABLE 4-19/Q.931 Notification indicator information element Notification description (octet 3) Bits 7 6 5 4 3 2 1 0 0 0 0 0 0 0 User suspended 0 0 0 0 0 0 1 User resumed 0 0 0 0 0 1 0 Bearer service change All other values are reserved.