phone-shared line groups

Number of APIs: 2

1. List shared line groups

GET {{baseUrl}}/phone/shared_line_groups?page_size=30&next_page_token=BJLYC6PABbAHdjwSkGVQeeR6B1juwHqj3G2

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2. Create a shared line group

POST {{baseUrl}}/phone/shared_line_groups

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