In phone limbo, so to speak

• Listening to Muzak, maybe?
• Waiting, phone in hand
• In abeyance
• Listening to Muzak
• In telephone hell?
• Waiting to talk, say
• Indefinitely suspended
• Waiting for tech support, often
• Waiting to talk

Wiktionary Word definitions in Wiktionary
vb. 1 (context transitive rare English) To hold on (to). 2 (context intransitive rare English) To hold on.