Not progressing

• Listening to Muzak, perhaps
• Unhappily listening to music?
• Listening to Muzak
• Indefinitely suspended
• Waiting to talk to a real person, say
• Listening to Muzak, say
• Waiting for tech support, often
• Like many a phone caller
• Having to wait

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