phone-shared line groups-{shared Line Group Id}

Number of APIs: 3

1. Get a shared line group GET {{baseUrl}}/phone/shared_line_groups/:sharedLineGroupId

2. Delete a shared line group DELETE {{baseUrl}}/phone/shared_line_groups/:sharedLineGroupId

3. Update a shared line group PATCH {{baseUrl}}/phone/shared_line_groups/:sharedLineGroupId